Pregnancy & Child Health Tools
An all-in-one suite of 7 calculators for Due Date, Pregnancy Weight Gain, Ovulation, Fertility, Baby Growth, Child BMI, and Child Height Prediction.
Due Date Calculator
Calculate estimated due date, current week, trimester, and baby size.
You are in
Weeks
Days
Estimated Due Date
Tuesday, December 29, 2026
Baby Size
Plum
Approximate size comparison
Key Milestones
Implantation
Week 4
Heartbeat detected
Week 8
End of first trimester
Week 12
Gender may be visible
Week 16
Halfway! Anatomy scan
Week 20
Viability reached
Week 24
Third trimester begins
Week 28
Baby usually head-down
Week 36
Full term! Due date
Week 40
Professional Pregnancy & Child Health Tools for Everyone
A professional Online Pregnancy & Child Health Calculator Suite containing 7 essential tools for expectant mothers and parents. Track your pregnancy due date using Naegele's Rule, monitor recommended gestational weight gain by IOM 2009 BMI guidelines, identify your fertile window with the Ovulation and Fertility calculators, and track your child's growth against WHO standards. All calculations run 100% locally in your browser for complete privacy.
Key Benefits
Why choose our Pregnancy & Child Health Tools for your workflow?
One Stop: Everything from due dates to child growth in a single dashboard.
Clinically Referenced: Formulas based on WHO, IOM, CDC, and Tanner standards.
Privacy First: No data leaves your device.
Common Use Cases
Real-world examples of how to use this tool.
Pregnancy Planning: Calculate due dates and track recommended weight gain.
Fertility Tracking: Find ovulation and fertile window dates.
Child Development: Monitor growth percentiles and predict adult height.
How to use Pregnancy & Child Health Tools?
Follow these simple steps to get the best results.
Select a sub-calculator from the sidebar.
Set your core stats in the Shared Profile bar (age, weight, height, LMP, cycle length).
Adjust inputs specific to the selected calculator.
View results instantly and copy or download a PDF report.
Calculation Formulas & Methodology
Scientific references and mathematical logic driving our calculators.
Naegele's Due Date Estimation Rule
Standard pregnancy wheel calculation assuming a regular 28-day menstrual cycle and ovulation occurring on day 14 of the cycle.
Tanner Mid-Parental Child Adult Height Predictor
Standard clinical pediatric model to forecast child target adult height adjusted for biological sex parameters based on parental heights.
Child Body Mass Index (BMI) Percentile
Evaluates child body weight relative to growth curve percentiles for children and teens aged 2 through 19.
Frequently Asked Questions
Common questions about our Pregnancy & Child Health Tools tool.
Is my health data stored?
No. All calculations run entirely in your browser's local memory. Nothing is sent to any server.
What formula is used for the due date?
We use Naegele's Rule: add 280 days (40 weeks) to the first day of your last menstrual period (LMP). You can also calculate from a known conception date.
Discover More Tools
Hand-picked utilities to speed up your workflow.
Expert Insights
Learn more about privacy, image processing, and modern design.
How AI is Revolutionizing Image Editing
Explore the profound impact of neural networks on modern creative workflows, from automated background removal to generative upscaling. Learn how AI tools are democratizing professional-grade design for everyone.
The Importance of Privacy-First Web Tools
In an era of constant data tracking, discover why client-side processing is the future of digital security. We dive deep into how Imgira protects your sensitive data by keeping everything in your browser.
WebAssembly: Powering the Next Gen of Browser Apps
Discover how WebAssembly (Wasm) is bridging the gap between desktop performance and web accessibility. Learn why complex image processing can now happen instantly within a standard web browser.
Mastering Image Compression Without Quality Loss
Unlock the secrets of efficient web performance by mastering the balance between file size and visual fidelity. We compare modern algorithms and show you how to optimize assets for the fastest load times.