Medically reviewed by Renita White, MD Implantation bleeding differs from menstruation in several ways, including the timing, ...

For most people, implantation feels like nothing, though some report feeling a few symptoms. "Implantation can lead to cramping, spotting, and abdominal pain," Dr. Langdon told Babylist.

Some other signs to look for are early pregnancy symptoms, Nathan says. These may include: Breast tenderness Bloating Fatigue Nausea Mild cramping If you have cramping with implantation bleeding ...

Implantation, an object left in your vagina, miscarriage, or an STI can also cause black blood. If you continue to experience dark bleeding with pain or other symptoms, call a doctor right away.