PINK SPOTS after sex could indicate IMPLANTATION BLEEDING... Implantation bleeding happens when the fertilized egg attaches itself to the uterine lining... This type of bleeding may be mistaken for a period, but it is usually lighter and shorter than a normal period... However, there could be other reasons for spotting after sex, like a cervical polyp or infection... Wait and see if your PERIOD comes, if not, take a PREGNANCY TEST... If you experience heavy bleeding, abdominal pain, or fever, go see a DOCTOR...