An endometrial biopsy is a quick clinic procedure where a tiny sample of the uterine lining is taken to understand causes of abnormal bleeding — such as hormonal imbalance, infection, polyps, or early cellular changes. It requires no anesthesia and takes under five minutes.

If your periods are heavy, painful, and exhausting, it might be adenomyosis — a condition often mistaken for normal cramps. Learn what’s happening inside your uterus and how it can be treated.