This calculator helps you predict your most fertile days of the month. Menstrual periods vary from woman to woman and month to month. Use this calculator to help determine the timing of your ovulation and peak fertility.
Join Motherly to get your personalized, week-by-week guide to getting pregnant. mother.ly/join Will your little one be born on the 4th of July—or arrive just in time to be your tiny little Valentine? Here's a simple birthdate calculator to give you an idea of when baby will be born based on the time of conception.