Categories · 7 tools
Pregnancy & Baby Calculators
Ovulation, fertile window and due dates.
Ovulation
Find your ovulation day and fertile window for the next three cycles from your last period and cycle length. A planning estimate for trying to conceive.
CalculateDue Date
Estimate your due date from the first day of your last period using Naegele’s rule (280 days). See your current gestational age and trimester too.
CalculateGestational Age
Find out how many weeks and days pregnant you are from the first day of your last period, with the trimester and the estimated due date.
CalculateConception Date
Estimate when conception likely happened, from your last period or your due date. See the most likely date and the window around it.
CalculatePregnancy Weight Gain
Find the healthy amount of weight to gain in pregnancy based on your pre-pregnancy BMI, using the IOM ranges — plus the gain expected by your current week.
Calculate