Pregnancy Calculator

Calculate your pregnancy due date and track your baby's development week by week. Find out how many weeks pregnant you are using your last menstrual period, conception date, or ultrasound results.

⚠️ Important Medical Disclaimer

This tool is for informational purposes only and does not constitute medical advice. Due date calculations are estimates based on averages and may vary significantly. Factors such as irregular menstrual cycles, multiple pregnancies, and individual variations can affect accuracy. The actual length of pregnancy depends on various factors including maternal age, previous pregnancy history, and fetal development rates.

Always consult with a qualified healthcare provider for personalized medical advice, proper prenatal care, and accurate pregnancy dating. Only medical professionals can provide definitive pregnancy confirmation and monitoring.

Accuracy Note: LMP calculations assume 28-day cycles (Β±7 days accuracy). Ultrasound dating is most accurate in early pregnancy (Β±3-5 days). All methods have inherent margins of error.

Choose Your Calculation Method

πŸ—“οΈ Last Menstrual Period (LMP)
Most common method - uses the first day of your last period
πŸ’« Conception Date
If you know when conception occurred
πŸ§ͺ IVF Transfer Date
For in vitro fertilization pregnancies
πŸ“Š Ultrasound Date
Based on ultrasound estimated due date

Last Menstrual Period Method

🀱 Your pregnancy information will appear here

πŸ“‹ Try Sample Calculations

🌱 Early Pregnancy
6 weeks pregnant
🀰 Midway Point
20 weeks pregnant
πŸ‘Ά Almost Due
38 weeks pregnant
⏰ Past Due Date
41 weeks pregnant

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Conception Date Method

IVF Transfer Date Method

Ultrasound Date Method