How many days after unprotected does implantation bleeding occur?
You may notice implantation bleeding around 10 to 14 days after conception, when a fertilized egg becomes attached to the lining of your uterus. Keep in mind that conception may not occur on the same day you had sex.
Can you get implantation bleeding 1 day before your period?
Early bleeding: Implantation bleeding will often occur a few days before the expected menstruation cycle. This is not always the case, however, and many women confuse the two. Unusual colored discharge: Implantation bleeding produces an unusual discharge that varies in color from pinkish to very dark brown or black.