Medically reviewed by Renita White, MD Key Takeaways Spotting on birth control can happen if you miss taking a pill.Spotting can sometimes be a sign of pregnancy, especially if you miss doses.Heavy or ...

Abnormal uterine (womb) bleeding is a common problem in women. Abnormal uterine bleeding can occur as either a change in your normal menstrual period or as bleeding in between your normal menses. You ...