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When was your baby conceived?   Enter the date of the first day of your last menstrual period (LMP), and BabiesDirect will calculate for you a table showing you the closest probable dates of when you conceived your baby, based upon the average length of your menstrual cycle.

BabiesDirect's Conception Date Calculator Fill in your Last Menstrual Period date below

Month: JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember Day: Year: Number of Days Your Cycle: Conception Date: 25 day cycle: 26 day cycle: 27 day cycle: 28 day cycle:  29 day cycle: 30 day cycle: 31 day cycle: 32 day cycle: 33 day cycle:  34 day cycle: 35 day cycle: 36 day cycle: 37 day cycle: 38 day cycle: Note: Your browser must be Java-enabled for the calculator to work.   Ovulation Info Ovulation, and therefore conception, occurs 14 days before your period was due. If you have a 28-day menstrual cycle (which is assumed by many healthcare providers) that means that you ovulated on day 14. If your cycle is a few days longer, you probably ovulated after day 14, and your baby may arrive a few days after your estimated due date. Conception Date Calculator, conceiving, conceiving babies, conception, pregnancy , pregnancies , babies , baby information , trimesters , prenatal Tools - Conception Calculator