Fertility Return Calculator

Get your personalized estimate

Based on your age and contraceptive history, determined by peer-reviewed research.

About You

Your current ageAges 21–45 supported
Have you ever been pregnant?Affects estimate — especially at age 34+

Your Birth Control

Which method did you most recently use?If you have not been using birth control, choose Barrier methods.
Have you already stopped?

Ovulation Tracking

Are you or are you planning to track ovulation using LH strips, measure basal body temperature, monitor cervical mucus and time intercourse to your fertile window?Tracking ovulation using LH strips, measuring basal body temperature, monitoring cervical mucus and timing intercourse to your fertile window can increase your per-cycle chances by ~15%.

Target Dateoptional