Pregnancy Test Calculator

To pregnancy test - or not - today, tomorrow, when? Use this pregnancy test calculator to help decide when to home pregnancy test. It maps your complete cycle and forecasts when home pregnancy tests might be effective, including early pregnancy tests.

• 
• Today's Date (Oct 21 2018)

Last period start date:

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

2017 2018 2019

Average cycle length:

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

---

When did you ovulate?

Not sure. Calculate (use my last period, cycle and luteal length)

Luteal Length

10 11 12 13 14 15 16

I ovulated On

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

2017 2018

• Compare Pregnancy Tests
• Pregnancy Test Photo Gallery