But she says large clots and other symptoms can point to an issue. "That said, one sign of an abnormal blood clot is that it's bigger than a quarter (normal period blood clots are usually the size ...

Noticing blood clots in menstrual blood is not usually a cause for concern. They may indicate a heavy flow. People may wish to see a doctor if the blood clots are very large or very frequent.

Passing blood clots—even up to the size of a quarter—is a normal part of having your period. Contact a healthcare provider, such as a gynecologist, if you pass clots larger than a quarter and ...

Period changes, such as irregular periods or spotting, might be a sign of an underlying health concern. ... Small clots the size of raisins are usually nothing to worry about.

Period blood can vary in color and relays important information about a person’s health. ... blood with clots that are the size of a quarter or bigger; ...

If blood clots during your period are becoming more frequent or accompanied by severe pain and other unusual symptoms, it’s wise to consult with a healthcare provider.