Pregnancy & Fertility

Track a pregnancy or plan for one: due dates, ovulation, conception, trimesters, IVF timing, and child height predictions.

9 free pregnancy & fertility tools, no signup.

• Adult Height PredictorPredict how tall a child will be as an adult from the parents' heights, using the Tanner mid-parental method. Works in metric or imperial with a typical range.
• Baby Height PredictorPredict a child's adult height from the parents' heights with the Tanner mid-parental method, plus the likely range. Free and private.
• Conception Date CalculatorEstimate the likely conception date and a conception window from either a due date or the first day of your last period.
• IVF Due Date CalculatorCalculate your IVF due date from your egg retrieval or embryo transfer date. Supports 3-day and 5-day embryo transfers with a precise conception date.
• Ovulation CalculatorEstimate your ovulation date, fertile window, and next period from your last period, cycle length, and luteal phase. Free and instant.
• Period CalculatorPredict your upcoming periods, ovulation day, and fertile window from the start of your last period and your cycle length.
• Pregnancy Trimester CalculatorSee the start and end dates of each pregnancy trimester and which trimester you are in. Works from your last period or your due date.
• Pregnancy Week CalculatorEstimate your due date, gestational age in weeks and days, trimester, and days remaining from your last menstrual period. Free and instant.
• Pregnancy Weight Gain CalculatorSee the recommended pregnancy weight-gain range for your pre-pregnancy BMI using IOM 2009 guidelines, for single or twin pregnancies. Free and private.