How soon after what you think might be implantation bleeding can a HPT be taken?

Implantation bleeding would typically occur around 8-12 days after ovulation. Most home pregnancy test can be taken the day of your missed period. Some can even be take up to 5 days before a missed period, but they are less effective that early...they only detect the hormone in about 65% of pregnant woman. I would just wait until the day of your missed period and take a test, if that is negative then wait a week and take another one. Implantation bleeding would typically occur around 8-12 days after ovulation. Most home pregnancy test can be taken the day of your missed period. Some can even be take up to 5 days before a missed period, but they are less effective that early...they only detect the hormone in about 65% of pregnant woman. I would just wait until the day of your missed period and take a test, if that is negative then wait a week and take another one.