Pregnancy Test Calculator

Find out the earliest day you can take a pregnancy test based on your cycle or ovulation date. All calculations are done locally in your browser.

Calculation Method:

Select a method to calculate your earliest test day.

The first day of your last period:

Choose the start date of your last menstrual period.

Average cycle length (days):

Typical cycles are between 26 and 32 days. Default is 28.