Pregnancy Due Date – Calculator, Chart & Complete Guide

Pregnancy is exciting, emotional, and sometimes confusing. Knowing your due date helps you plan and feel prepared. On this page, you will find:

• How due date is calculated
• Free pregnancy due date calculator
• Week-by-week baby growth overview
• Symptoms, tips & food suggestions

👉 Use the Calculator First

Click here to calculate your due date instantly

How Due Date is Calculated

Doctors normally estimate due date by your LMP – the first day of your last menstrual period. Average pregnancy is around 40 weeks or 280 days from that date.

Week-by-Week Baby Development (Quick Chart)

Week	Baby Development
1–4	Fertilization & implantation
5–8	Heart begins to beat
9–12	Fingers & toes form
13–20	Baby starts kicking
21–30	Organs grow & lungs mature
31–40	Ready for delivery

Symptoms Timeline

First Trimester: nausea, tiredness, mood swings

Second Trimester: energy returns, belly grows

Third Trimester: sleep difficulty, pressure, Braxton hicks

Tips for Indian Mothers

• Stay hydrated – coconut water, buttermilk
• Protein – dal, eggs, paneer
• Consult doctor before supplements
• Gentle walking daily

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Next: See your baby's vaccination dates → Baby Vaccination Schedule Calculator

OKMAM – India's Baby Tools Platform. Not medical advice. Consult a doctor for personal health concerns.