Pregnancy bleeding after sex. This occurs when there's an early separation of the placenta from the uterus, which can cause heavy bleeding, with or without clots. I did not leaking after that til now. Your doctor will also ask you about other symptoms, such as cramp, pain and dizziness. If you suspect labor is starting prematurely, contact your practitioner immediately. Once an egg has been fertilized, it undergoes multiple stages of cell division. We're industry professionals who love what we do! Shortly before or after your period, it is not unusual to experience light bleeding after sex. Pros and Cons of Period Sex. What should I do if I start bleeding during early pregnancy? Pinterest Is it normal for my nipples to get darker during pregnancy? If this happens, behavior modification may be necessary or a visit to your doctor may be necessary.