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Pregnancy due date calculator

Find out when you'll welcome your new arrival(s) into the world! Enter the first day of your last menstrual period or conception date and we'll show you your estimated due date. Plus, explore the exciting milestones ahead for you and your baby, including insights into their zodiac sign, birthstone and more!

Calculation method

Last period
December 2025
SunMonTueWedThuFriSat
30Dec12345678910111213141516171819202122232425262728293031Jan12345678910

Average cycle length (days)

28 days