Pregnancy information

Ovulation Calculator

Last Updated: 16/04/2021 14:47:36
The information on this page has been adapted by NHS Wales from original content supplied by NHS UK NHS website

Ovulation calculatorOvulation calculator

What was the date of the first day of your last period?  

Some women's cycles are not exactly 28 days. If your cycle is shorter or longer than 28 days, please adjust the number below.