DPO Calculator
See exactly how many days past ovulation (DPO) you are, and what is happening day by day through the two-week wait, including your implantation window and the earliest day a test becomes reliable.
Your dates
The day you ovulated, from an OPK surge, a temperature rise or tracking.
We estimate ovulation as your cycle length minus 14 days.
Enter a date to see how many days past ovulation you are.
Ovulation:
Implantation
Earliest test
Period due
A test is most reliable from the first day of a missed period (around ). Testing earlier can give a false negative.
Your two-week wait, day by day
These are typical ranges. Every cycle is a little different, and symptoms (or none) are not a reliable sign either way.
Read more
Next step
Implantation Calculator
Pinpoint your implantation window and when spotting might appear.