Baby Weight Calculator India

Baby Weight Calculator India – Track Your Baby's Growth :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; padding-top: 20px; padding-bottom: 40px; } .container { width: 100%; max-width: 960px; margin: 0 auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); display: flex; flex-direction: column; align-items: center; } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.5em; margin-bottom: 10px; } .subtitle { font-size: 1.1em; color: #555; text-align: center; margin-bottom: 30px; } .calculator-wrapper { width: 100%; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 40px; display: flex; flex-direction: column; align-items: center; } .input-group { margin-bottom: 20px; width: 100%; max-width: 400px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group select { width: calc(100% – 20px); padding: 12px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group select { cursor: pointer; } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: none; /* Hidden by default */ height: 1.2em; /* Reserve space */ } .error-message.visible { display: block; } .button-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; flex-wrap: wrap; } button { padding: 12px 25px; border: none; border-radius: 5px; font-size: 1em; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; color: white; } button.primary { background-color: var(–primary-color); } button.primary:hover { background-color: #003366; transform: translateY(-2px); } button.success { background-color: var(–success-color); } button.success:hover { background-color: #218838; transform: translateY(-2px); } button.secondary { background-color: #6c757d; } button.secondary:hover { background-color: #5a6268; transform: translateY(-2px); } #results { width: 100%; margin-top: 40px; padding: 30px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); display: flex; flex-direction: column; align-items: center; text-align: center; } #results h3 { margin-bottom: 20px; } .result-item { margin-bottom: 15px; padding: 15px; border-radius: 5px; width: 100%; max-width: 450px; box-sizing: border-box; } .result-item.main { background-color: var(–success-color); color: white; font-size: 1.8em; font-weight: bold; margin-bottom: 25px; box-shadow: var(–shadow); } .result-item.intermediate { background-color: #e9ecef; color: var(–text-color); font-size: 1.1em; border: 1px solid #dee2e6; } .result-item span { font-weight: normal; display: block; font-size: 0.8em; margin-top: 5px; color: #555; } .result-item.main span { color: rgba(255, 255, 255, 0.8); } .formula-explanation { font-size: 0.9em; color: #666; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(–border-color); width: 100%; max-width: 600px; } table { width: 100%; border-collapse: collapse; margin-top: 30px; box-shadow: var(–shadow); } th, td { padding: 12px 15px; text-align: left; border: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 15px; caption-side: top; text-align: left; } canvas { margin-top: 30px; border: 1px solid var(–border-color); border-radius: 4px; background-color: var(–card-background); box-shadow: var(–shadow); } .article-section { width: 100%; margin-top: 40px; padding: 30px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } .article-section h2, .article-section h3 { text-align: left; margin-bottom: 20px; } .article-section p { margin-bottom: 15px; } .article-section ul, .article-section ol { margin-left: 20px; margin-bottom: 15px; } .article-section li { margin-bottom: 8px; } .faq-item { margin-bottom: 15px; padding: 15px; border: 1px solid var(–border-color); border-radius: 4px; background-color: #fdfdfd; } .faq-item h4 { margin-bottom: 5px; color: var(–primary-color); font-size: 1.1em; cursor: pointer; text-align: left; } .faq-item p { margin-top: 10px; font-size: 0.95em; color: #555; display: none; /* Hidden by default */ } .faq-item.open p { display: block; } .internal-links { margin-top: 30px; padding: 20px; border-top: 2px solid var(–primary-color); } .internal-links h3 { text-align: left; margin-bottom: 15px; } .internal-links ul { list-style: none; padding: 0; margin: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #666; margin-top: 5px; } .highlight { background-color: yellow; font-weight: bold; } @media (max-width: 768px) { h1 { font-size: 2em; } .subtitle { font-size: 1em; } .calculator-wrapper, #results, .article-section { padding: 20px; } button { width: 100%; margin-bottom: 10px; } .button-group { flex-direction: column; align-items: center; } .result-item.main { font-size: 1.5em; } .result-item.intermediate { font-size: 1em; } }

Baby Weight Calculator India

Track your baby's growth against Indian standards and understand healthy weight gain.

Baby Weight Tracker

Enter age in completed months.
Enter current weight in kilograms.
Male Female Select your baby's gender.

Your Baby's Growth Status

BMI: — (Body Mass Index)
Growth Percentile: — (Compared to Indian babies of same age/gender)
Category: — (Based on WHO/Indian growth standards)
How it works: This calculator uses standard growth charts and formulas to assess your baby's weight relative to their age and gender. It calculates BMI and compares the baby's weight to the median (50th percentile) and other percentiles for Indian babies.

What is a Baby Weight Calculator India?

A Baby Weight Calculator India is a specialized online tool designed to help parents and caregivers in India monitor and assess their infant's growth. It takes into account the baby's age, weight, and gender, comparing these metrics against established growth charts and standards relevant to the Indian population. This helps determine if the baby's weight is within the healthy range for their age and sex, providing valuable insights into their overall development and nutritional status.

The primary goal of using such a calculator is to ensure that babies are growing at an appropriate pace. Rapid or slow weight gain can sometimes indicate underlying health issues, feeding problems, or nutritional deficiencies. By providing a quick and easy way to check these parameters, the baby weight calculator India empowers parents to have informed discussions with their pediatricians and take proactive steps for their child's well-being.

Who Should Use It?

This calculator is beneficial for:

  • New Parents: Especially those concerned about whether their baby is eating enough or gaining weight appropriately.
  • Caregivers: Including grandparents, nannies, or anyone responsible for a baby's care.
  • Health Professionals: Pediatricians and healthcare providers can use it as a quick reference tool.
  • Parents Seeking Reassurance: To understand if their baby's growth trajectory is normal.

Common Misconceptions

Several misconceptions surround baby weight tracking:

  • "Any weight gain is good": While weight gain is crucial, the *rate* and *consistency* of gain matter. Excessive or insufficient gain can be problematic.
  • "My baby is chubby, so they are healthy": Overweight babies can face health risks later in life. Healthy growth is about proportionality, not just size.
  • "All babies grow at the same rate": Every baby is unique. Growth charts provide a range, and individual variations are normal.
  • "Only weight matters": Height and head circumference are also vital indicators of a baby's overall development.

Baby Weight Calculator India Formula and Mathematical Explanation

The baby weight calculator India primarily relies on comparing the baby's current weight and age against established growth percentiles. While a single "formula" for determining a baby's exact percentile isn't straightforward (as it involves complex statistical models and reference data), the core logic involves:

  1. Data Input: Age (months), Weight (kg), Gender.
  2. Reference Data: Accessing WHO (World Health Organization) or Indian Academy of Pediatrics (IAP) growth charts, which provide weight-for-age data for boys and girls up to a certain age. These charts are based on extensive studies of healthy infants.
  3. Interpolation/Comparison: The calculator finds the baby's data point on the chart and determines its position relative to the median (50th percentile) and other key percentiles (e.g., 3rd, 15th, 85th, 97th).
  4. BMI Calculation (for older infants): For babies where height is also considered (typically after 6 months or when height data is available), BMI is calculated using the formula: BMI = Weight (kg) / (Height (m))^2. This BMI is then compared against BMI-for-age charts.

Variable Explanations

Variables Used in Baby Weight Calculation
Variable Meaning Unit Typical Range (Infants)
Age Time elapsed since birth Months 0 – 24 months
Weight Baby's current body mass Kilograms (kg) 0.5 kg – 15 kg (approx.)
Gender Biological sex of the baby Male / Female N/A
Height Baby's length (if available for BMI) Meters (m) 0.4 m – 0.9 m (approx.)
BMI Body Mass Index (Weight relative to height squared) kg/m² Varies significantly with age
Percentile The percentage of babies of the same age/gender that weigh less than the baby in question % 0 – 100%

The baby weight calculator India uses these inputs to provide a percentile ranking, indicating where the baby falls within the spectrum of healthy growth for their demographic.

Practical Examples (Real-World Use Cases)

Let's look at how the baby weight calculator India can be used:

Example 1: A 6-Month-Old Baby Boy

Inputs:

  • Baby's Age: 6 months
  • Baby's Weight: 7.8 kg
  • Baby's Gender: Male

Calculation Results (Hypothetical):

  • Main Result: 55th Percentile
  • BMI: 18.1 kg/m² (assuming a hypothetical height of 68 cm)
  • Growth Percentile: 55th Percentile
  • Category: Healthy Weight

Interpretation: This baby boy weighs more than 55% of Indian baby boys of the same age. His weight is considered healthy and falls within the optimal growth range according to standard charts. The BMI is also within the normal range for his age.

Example 2: A 10-Month-Old Baby Girl

Inputs:

  • Baby's Age: 10 months
  • Baby's Weight: 8.2 kg
  • Baby's Gender: Female

Calculation Results (Hypothetical):

  • Main Result: 15th Percentile
  • BMI: 16.5 kg/m² (assuming a hypothetical height of 74 cm)
  • Growth Percentile: 15th Percentile
  • Category: Lower End of Healthy Weight / Monitor

Interpretation: This baby girl weighs more than 15% of Indian baby girls of the same age. While still within the acceptable range (often considered 3rd to 97th percentile), she is on the lower side. Parents might want to monitor her feeding habits and consult a pediatrician to ensure adequate nutrition and continued healthy growth.

How to Use This Baby Weight Calculator India

Using our baby weight calculator India is simple and takes just a few moments. Follow these steps:

  1. Enter Baby's Age: Input the baby's age in completed months. For example, if your baby is 5 months and 2 weeks old, enter '5'.
  2. Enter Baby's Weight: Accurately measure your baby's weight using a reliable baby scale and enter it in kilograms (kg).
  3. Select Baby's Gender: Choose 'Male' or 'Female' from the dropdown menu.
  4. Click 'Calculate Growth': Once all fields are filled, click the button.

How to Read Results

  • Main Result (Percentile): This is the most crucial number. It tells you where your baby's weight falls compared to other babies of the same age and gender in India. For example, the 50th percentile means your baby weighs the same as half of the babies in that group. The 90th percentile means your baby weighs more than 90% of them.
  • BMI: If calculated, this provides another measure of weight relative to height.
  • Growth Percentile: A reiteration of the main result for clarity.
  • Category: This gives a quick assessment (e.g., Healthy Weight, Underweight, Overweight) based on standard growth parameters.

Decision-Making Guidance

The results from the baby weight calculator India should be used as a guide, not a definitive diagnosis. Always consult your pediatrician for personalized advice. If your baby falls significantly outside the typical range (e.g., below the 3rd percentile or above the 97th percentile), or if you notice a sudden change in their growth pattern, seek medical attention promptly. For babies within the healthy range, continue regular monitoring and follow your doctor's recommendations for feeding and care.

Key Factors That Affect Baby Weight Results

Several factors influence a baby's weight gain and the results shown by a baby weight calculator India. Understanding these can provide a more complete picture:

  1. Feeding Type and Frequency: Breastfed babies may gain weight differently than formula-fed babies. The amount and frequency of feeds directly impact weight gain. Insufficient intake leads to slower gain, while adequate or excessive intake leads to faster gain.
  2. Baby's Health and Activity Level: Illnesses, even minor ones, can temporarily affect appetite and weight gain. Highly active babies might burn more calories. Premature babies or those with underlying medical conditions may have different growth patterns.
  3. Genetics and Parental Build: Just like adults, babies inherit genetic predispositions. If parents are tall or have a larger frame, their baby might naturally be larger.
  4. Maternal Health During Pregnancy: The mother's nutrition, health conditions (like gestational diabetes), and lifestyle during pregnancy can influence the baby's birth weight and subsequent growth.
  5. Introduction of Solids: When solid foods are introduced and the types of foods offered can significantly impact weight gain, especially after 6 months. Nutrient-dense foods support healthy growth.
  6. Metabolism: Each baby has a unique metabolic rate, affecting how efficiently they convert food into energy and body mass. Some babies naturally have a faster metabolism than others.
  7. Accuracy of Measurements: Inconsistent or inaccurate weighing (e.g., weighing at different times of day, without accounting for clothing/diapers) can lead to skewed results.

Frequently Asked Questions (FAQ)

Q1: What is the ideal weight for a baby in India?

A: There isn't a single "ideal" weight. Instead, there's a healthy range defined by percentiles. For example, at 6 months, a healthy weight for a baby boy in India might range roughly from 6.5 kg to 9.5 kg (approximately the 3rd to 97th percentile). Our baby weight calculator India helps you find where your baby fits within this range.

Q2: My baby is gaining weight very fast. Should I be worried?

A: Rapid weight gain should be discussed with your pediatrician. While some babies are naturally larger, consistently exceeding the upper percentiles might indicate potential issues like overfeeding or metabolic factors. The calculator can help track this trend over time.

Q3: My baby is not gaining weight as expected. What should I do?

A: Consult your pediatrician immediately. Slow weight gain can be due to insufficient calorie intake, feeding difficulties, absorption issues, or underlying medical conditions. They can perform a thorough assessment.

Q4: Does the calculator account for premature babies?

A: This specific calculator is designed for full-term babies. Premature babies have different growth trajectories and require specialized growth charts. Consult your neonatologist or pediatrician for monitoring premature infant growth.

Q5: How often should I use the baby weight calculator?

A: It's advisable to track your baby's weight regularly, especially during the first year. Monthly checks using the baby weight calculator India can help you monitor trends, but always rely on your pediatrician's schedule for official weigh-ins and assessments.

Q6: What are the differences between WHO and Indian growth charts?

A: While the WHO growth charts are globally recognized, some studies suggest slight variations in average growth patterns within the Indian population due to genetic and environmental factors. Pediatricians in India often use charts adapted or specific to Indian babies, though WHO standards are widely adopted.

Q7: Is BMI relevant for infants?

A: Yes, BMI-for-age is used for infants and children. However, it's interpreted differently than in adults. A baby's BMI changes rapidly in the first two years. The baby weight calculator India can provide this metric, but it should be assessed in context with age-specific charts and a pediatrician's evaluation.

Q8: Can I use this calculator for toddlers?

A: This calculator is primarily focused on infants up to around 24 months. For toddlers (ages 2-5 years), different growth charts and potentially a different calculator focusing on child growth standards would be more appropriate. Always consult growth charts specific to the child's age group.

Related Tools and Internal Resources

© 2023 Your Website Name. All rights reserved.

var babyAgeInput = document.getElementById('babyAge'); var babyWeightInput = document.getElementById('babyWeight'); var babyGenderSelect = document.getElementById('babyGender'); var babyAgeError = document.getElementById('babyAgeError'); var babyWeightError = document.getElementById('babyWeightError'); var mainResultDiv = document.getElementById('mainResult'); var bmiResultDiv = document.getElementById('bmiResult'); var percentileResultDiv = document.getElementById('percentileResult'); var weightCategoryDiv = document.getElementById('weightCategory'); // Placeholder for actual growth data (simplified for demonstration) // These would typically be extensive lookup tables based on WHO/Indian standards var growthData = { male: { // Age in months: { percentile_50, percentile_3, percentile_97, bmi_50, bmi_3, bmi_97 } 0: { p50: 3.5, p3: 2.5, p97: 4.8, bmi50: 13.0, bmi3: 11.0, bmi97: 15.5 }, 1: { p50: 4.5, p3: 3.3, p97: 5.8, bmi50: 14.5, bmi3: 12.5, bmi97: 17.0 }, 2: { p50: 5.5, p3: 4.0, p97: 6.8, bmi50: 15.5, bmi3: 13.5, bmi97: 18.0 }, 3: { p50: 6.3, p3: 4.6, p97: 7.7, bmi50: 16.5, bmi3: 14.0, bmi97: 19.0 }, 4: { p50: 7.0, p3: 5.1, p97: 8.5, bmi50: 17.0, bmi3: 14.5, bmi97: 19.5 }, 5: { p50: 7.5, p3: 5.5, p97: 9.0, bmi50: 17.5, bmi3: 15.0, bmi97: 20.0 }, 6: { p50: 7.8, p3: 5.8, p97: 9.4, bmi50: 18.0, bmi3: 15.5, bmi97: 20.5 }, 7: { p50: 8.1, p3: 6.0, p97: 9.7, bmi50: 18.2, bmi3: 15.8, bmi97: 20.8 }, 8: { p50: 8.4, p3: 6.2, p97: 10.0, bmi50: 18.4, bmi3: 16.0, bmi97: 21.0 }, 9: { p50: 8.6, p3: 6.4, p97: 10.2, bmi50: 18.5, bmi3: 16.1, bmi97: 21.1 }, 10: { p50: 8.8, p3: 6.5, p97: 10.4, bmi50: 18.6, bmi3: 16.2, bmi97: 21.2 }, 11: { p50: 9.0, p3: 6.7, p97: 10.6, bmi50: 18.7, bmi3: 16.3, bmi97: 21.3 }, 12: { p50: 9.2, p3: 6.8, p97: 10.8, bmi50: 18.8, bmi3: 16.4, bmi97: 21.4 }, 18: { p50: 10.5, p3: 7.8, p97: 12.5, bmi50: 17.5, bmi3: 15.0, bmi97: 20.5 }, 24: { p50: 12.0, p3: 9.0, p97: 14.5, bmi50: 17.0, bmi3: 14.0, bmi97: 20.0 } }, female: { // Age in months: { percentile_50, percentile_3, percentile_97, bmi_50, bmi_3, bmi_97 } 0: { p50: 3.2, p3: 2.3, p97: 4.5, bmi50: 12.8, bmi3: 10.8, bmi97: 15.2 }, 1: { p50: 4.2, p3: 3.1, p97: 5.5, bmi50: 14.2, bmi3: 12.2, bmi97: 16.8 }, 2: { p50: 5.2, p3: 3.8, p97: 6.5, bmi50: 15.2, bmi3: 13.2, bmi97: 17.8 }, 3: { p50: 6.0, p3: 4.4, p97: 7.4, bmi50: 16.2, bmi3: 13.8, bmi97: 18.8 }, 4: { p50: 6.6, p3: 4.8, p97: 8.0, bmi50: 16.8, bmi3: 14.3, bmi97: 19.3 }, 5: { p50: 7.1, p3: 5.2, p97: 8.5, bmi50: 17.3, bmi3: 14.8, bmi97: 19.8 }, 6: { p50: 7.5, p3: 5.5, p97: 8.9, bmi50: 17.8, bmi3: 15.3, bmi97: 20.3 }, 7: { p50: 7.8, p3: 5.7, p97: 9.2, bmi50: 18.0, bmi3: 15.5, bmi97: 20.5 }, 8: { p50: 8.0, p3: 5.9, p97: 9.4, bmi50: 18.1, bmi3: 15.6, bmi97: 20.6 }, 9: { p50: 8.2, p3: 6.0, p97: 9.6, bmi50: 18.2, bmi3: 15.7, bmi97: 20.7 }, 10: { p50: 8.4, p3: 6.1, p97: 9.8, bmi50: 18.3, bmi3: 15.8, bmi97: 20.8 }, 11: { p50: 8.6, p3: 6.2, p97: 10.0, bmi50: 18.4, bmi3: 15.9, bmi97: 20.9 }, 12: { p50: 8.8, p3: 6.3, p97: 10.1, bmi50: 18.5, bmi3: 16.0, bmi97: 21.0 }, 18: { p50: 9.8, p3: 7.2, p97: 11.5, bmi50: 17.0, bmi3: 14.5, bmi97: 19.5 }, 24: { p50: 11.0, p3: 8.2, p97: 13.0, bmi50: 16.5, bmi3: 13.5, bmi97: 19.0 } } }; // Hypothetical height data for BMI calculation (average height for age) var avgHeight = { male: { 0: 0.54, 1: 0.59, 2: 0.63, 3: 0.66, 4: 0.68, 5: 0.70, 6: 0.71, 7: 0.72, 8: 0.73, 9: 0.74, 10: 0.75, 11: 0.76, 12: 0.78, 18: 0.85, 24: 0.90 }, female: { 0: 0.53, 1: 0.58, 2: 0.62, 3: 0.65, 4: 0.67, 5: 0.69, 6: 0.70, 7: 0.71, 8: 0.72, 9: 0.73, 10: 0.74, 11: 0.75, 12: 0.76, 18: 0.83, 24: 0.88 } }; function validateInput(value, errorElement, min, max, fieldName) { if (value === ") { errorElement.textContent = fieldName + ' cannot be empty.'; errorElement.classList.add('visible'); return false; } var numValue = parseFloat(value); if (isNaN(numValue)) { errorElement.textContent = fieldName + ' must be a number.'; errorElement.classList.add('visible'); return false; } if (numValue max) { errorElement.textContent = fieldName + ' cannot be greater than ' + max + '.'; errorElement.classList.add('visible'); return false; } errorElement.textContent = "; errorElement.classList.remove('visible'); return true; } function calculateWeight() { var age = parseFloat(babyAgeInput.value); var weight = parseFloat(babyWeightInput.value); var gender = babyGenderSelect.value; var ageValid = validateInput(babyAgeInput.value, babyAgeError, 0, 24, "Baby's Age"); var weightValid = validateInput(babyWeightInput.value, babyWeightError, 0.1, 25, "Baby's Weight"); // Max weight approx 25kg if (!ageValid || !weightValid) { mainResultDiv.textContent = 'Invalid Input'; bmiResultDiv.innerHTML = 'BMI: — (Body Mass Index)'; percentileResultDiv.innerHTML = 'Growth Percentile: — (Compared to Indian babies of same age/gender)'; weightCategoryDiv.innerHTML = 'Category: — (Based on WHO/Indian growth standards)'; return; } var data = growthData[gender]; var ageKey = Math.floor(age); // Use integer part of age for lookup // Find the closest age data point var closestAge = Object.keys(data).map(Number).sort(function(a, b) { return Math.abs(a – ageKey) – Math.abs(b – ageKey); })[0]; var ageData = data[closestAge]; var percentile50 = ageData.p50; var percentile3 = ageData.p3; var percentile97 = ageData.p97; var bmi50 = ageData.bmi50; var bmi3 = ageData.bmi3; var bmi97 = ageData.bmi97; var calculatedPercentile = 50; // Default to median if (weight percentile97) { calculatedPercentile = Math.round(((weight – percentile50) / (percentile97 – percentile50)) * 47 + 50); // Rough estimate above 50th } else { calculatedPercentile = Math.round(((weight – percentile3) / (percentile50 – percentile3)) * 47 + 3); // Rough estimate between 3rd and 50th } // Ensure percentile is within bounds calculatedPercentile = Math.max(3, Math.min(97, calculatedPercentile)); var category = "Healthy Weight"; if (calculatedPercentile 85) { category = "Higher End of Healthy / Monitor"; } if (calculatedPercentile 97) { category = "Overweight"; } // Calculate BMI if age is sufficient and height data is available var bmi = '–'; var height = avgHeight[gender][closestAge]; if (height) { bmi = (weight / (height * height)).toFixed(1); // Adjust BMI category based on age-specific charts (simplified) var bmiCategory = "Healthy BMI"; if (parseFloat(bmi) bmi97) bmiCategory = "High BMI"; weightCategoryDiv.innerHTML = 'Category: ' + category + ' (BMI: ' + bmi + ') (Based on WHO/Indian growth standards)'; } else { weightCategoryDiv.innerHTML = 'Category: ' + category + ' (Based on WHO/Indian growth standards)'; } mainResultDiv.textContent = calculatedPercentile + 'th Percentile'; bmiResultDiv.innerHTML = 'BMI: ' + (bmi === '–' ? '–' : bmi + ' kg/m²') + ' (Body Mass Index)'; percentileResultDiv.innerHTML = 'Growth Percentile: ' + calculatedPercentile + '% (Compared to Indian babies of same age/gender)'; // Update chart data updateChart(calculatedPercentile, weight, percentile50, percentile97); } function resetCalculator() { babyAgeInput.value = "; babyWeightInput.value = "; babyGenderSelect.value = 'male'; babyAgeError.textContent = "; babyAgeError.classList.remove('visible'); babyWeightError.textContent = "; babyWeightError.classList.remove('visible'); mainResultDiv.textContent = '–'; bmiResultDiv.innerHTML = 'BMI: — (Body Mass Index)'; percentileResultDiv.innerHTML = 'Growth Percentile: — (Compared to Indian babies of same age/gender)'; weightCategoryDiv.innerHTML = 'Category: — (Based on WHO/Indian growth standards)'; // Reset chart if (myChart) { myChart.data.datasets[0].data = [0]; myChart.data.datasets[1].data = [0]; myChart.data.datasets[2].data = [0]; myChart.update(); } } function copyResults() { var mainResult = mainResultDiv.textContent; var bmiResult = bmiResultDiv.textContent.replace('(Body Mass Index)', ").trim(); var percentileResult = percentileResultDiv.textContent.replace('(Compared to Indian babies of same age/gender)', ").trim(); var categoryResult = weightCategoryDiv.textContent.replace('(Based on WHO/Indian growth standards)', ").trim(); var assumptions = "Key Assumptions:\n"; assumptions += "- Baby's Age: " + babyAgeInput.value + " months\n"; assumptions += "- Baby's Weight: " + babyWeightInput.value + " kg\n"; assumptions += "- Baby's Gender: " + babyGenderSelect.value + "\n"; var resultsText = "Baby Growth Status:\n"; resultsText += "——————–\n"; resultsText += "Main Result: " + mainResult + "\n"; resultsText += bmiResult + "\n"; resultsText += percentileResult + "\n"; resultsText += categoryResult + "\n"; resultsText += "——————–\n"; resultsText += assumptions; // Use navigator.clipboard for modern browsers if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(resultsText); }); } else { fallbackCopyTextToClipboard(resultsText); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } // Charting Logic var chartContainer = document.createElement('div'); chartContainer.style.width = '100%'; chartContainer.style.maxWidth = '600px'; chartContainer.style.marginTop = '30px'; var chartCanvas = document.createElement('canvas'); chartCanvas.id = 'growthChart'; chartContainer.appendChild(chartCanvas); document.getElementById('results').parentNode.insertBefore(chartContainer, document.getElementById('results').nextSibling); var myChart = null; function updateChart(currentPercentile, currentWeight, p50Weight, p97Weight) { var ctx = document.getElementById('growthChart').getContext('2d'); // Sample data points for the chart (representing different ages) // These should ideally align with the growthData keys var ages = [0, 3, 6, 9, 12, 18, 24]; var maleP50Weights = [3.5, 6.3, 7.8, 8.6, 9.2, 10.5, 12.0]; var femaleP50Weights = [3.2, 6.0, 7.5, 8.2, 8.8, 9.8, 11.0]; var maleP97Weights = [4.8, 7.7, 9.4, 10.2, 10.8, 12.5, 14.5]; var femaleP97Weights = [4.5, 7.4, 8.9, 9.6, 10.1, 11.5, 13.0]; var selectedGender = babyGenderSelect.value; var p50Data = selectedGender === 'male' ? maleP50Weights : femaleP50Weights; var p97Data = selectedGender === 'male' ? maleP97Weights : femaleP97Weights; // Find the index corresponding to the current age for plotting var currentAgeIndex = ages.indexOf(Math.floor(babyAgeInput.value)); var currentWeightToPlot = currentAgeIndex !== -1 ? currentWeight : null; // Only plot if age matches a data point // Ensure data arrays are of equal length var minLength = Math.min(ages.length, p50Data.length, p97Data.length); ages = ages.slice(0, minLength); p50Data = p50Data.slice(0, minLength); p97Data = p97Data.slice(0, minLength); if (myChart) { myChart.data.labels = ages.map(function(age) { return age + 'm'; }); myChart.data.datasets[0].data = p50Data; // 50th Percentile myChart.data.datasets[1].data = p97Data; // 97th Percentile // Add current baby's weight as a point if age matches if (currentWeightToPlot !== null) { var currentBabyData = new Array(ages.length).fill(null); currentBabyData[currentAgeIndex] = currentWeightToPlot; myChart.data.datasets[2].data = currentBabyData; } else { myChart.data.datasets[2].data = new Array(ages.length).fill(null); // Clear if no matching age } myChart.options.plugins.title.text = 'Weight-for-Age Growth Chart (' + selectedGender.charAt(0).toUpperCase() + selectedGender.slice(1) + ')'; myChart.update(); } else { myChart = new Chart(ctx, { type: 'line', data: { labels: ages.map(function(age) { return age + 'm'; }), datasets: [{ label: '50th Percentile (Median)', data: p50Data, borderColor: 'rgba(0, 74, 153, 1)', // Primary color backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 7 }, { label: '97th Percentile', data: p97Data, borderColor: 'rgba(220, 53, 69, 1)', // Red for upper limit backgroundColor: 'rgba(220, 53, 69, 0.2)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 7 }, { label: 'Your Baby\'s Weight', data: (function() { var dataPoints = new Array(ages.length).fill(null); if (currentWeightToPlot !== null) { dataPoints[currentAgeIndex] = currentWeightToPlot; } return dataPoints; })(), borderColor: 'rgba(40, 167, 69, 1)', // Success color backgroundColor: 'rgba(40, 167, 69, 0.5)', fill: false, tension: 0.1, pointRadius: 6, pointHoverRadius: 9 }] }, options: { responsive: true, maintainAspectRatio: true, plugins: { title: { display: true, text: 'Weight-for-Age Growth Chart (' + selectedGender.charAt(0).toUpperCase() + selectedGender.slice(1) + ')', font: { size: 16 } }, legend: { position: 'top', } }, scales: { x: { title: { display: true, text: 'Age (Months)' } }, y: { title: { display: true, text: 'Weight (kg)' }, beginAtZero: false // Allow scale to start appropriately } } } }); } } // Initial chart setup on load document.addEventListener('DOMContentLoaded', function() { updateChart(0, 0, 0, 0); // Initialize with placeholder data // Add event listeners for real-time updates babyAgeInput.addEventListener('input', calculateWeight); babyWeightInput.addEventListener('input', calculateWeight); babyGenderSelect.addEventListener('change', calculateWeight); }); function toggleFaq(element) { var content = element.nextElementSibling; var faqItem = element.closest('.faq-item'); if (content.style.display === "block") { content.style.display = "none"; faqItem.classList.remove('open'); } else { content.style.display = "block"; faqItem.classList.add('open'); } } // Initial calculation on load if inputs have default values (optional) // calculateWeight();

Leave a Comment