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    Lifelong Health Begins Before Birth - 04/14/15

    Calculate your due date

  • Last Menstrual Period: (MM/DD/YYYY format)
    Average Length of Cycles: (22 to 45) (defaults to 28)
    Average Luteal Phase Length: (9 to 16) (defaults to 14)
    Estimated Conception:
    Estimated Due Date:
    Estimated Fetal Age:
    *If you enter a date in the future for your last menstrual period, the estimated fetus age will be negative.