Estimate your conception date based on your last menstrual period. Calculate the most likely date of conception for your pregnancy.
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How this calculator works
Assumes ovulation occurs approximately 14 days after the start of the last menstrual period in a standard 28-day cycle.
Common questions about this calculator
Pregnancy calculators provide estimates based on standard formulas. Every pregnancy is unique. Always consult your OB-GYN or midwife for personalized care.
