Medical disclaimer

The calculators and articles on The Conception Calculator are for general information and education. They are not medical advice and should not be used to diagnose or treat any condition.

Conception, ovulation and due date calculations are estimates based on averages. Cycles, ovulation timing and pregnancy length vary from person to person. An ultrasound by a qualified professional is the most accurate way to date a pregnancy.

Always ask your doctor, midwife or other qualified health provider about your own health, pregnancy or fertility. Don't delay seeking care because of something you read here. If you think you have a medical emergency, contact emergency services immediately.