Medically reviewed by Laura Young Passing blood clots during a period is usually normal. It's more likely when you experience ...

The blood clots may be quite large. Contact an OB-GYN or midwife promptly if you think you are having a miscarriage. Several types of abnormalities in your uterus or uterine lining can result in ...

An ultrasound is a diagnostic imaging tool that healthcare providers use to view the internal structures of the body.