Some women with endometriosis don't have symptoms. Other women have symptoms that range from mild to severe. Symptoms may include:
Pain, which can be:
may be the only sign that you have endometriosis. Between 20% and 40% of women who are infertile have endometriosis.1
Abnormal bleeding. This can include:
Symptoms are often most severe just before and during your menstrual period. They get better as your period is ending. Some women, especially teens, have pain all the time.
Several other conditions can cause symptoms that are similar to endometriosis. These conditions include painful periods, adenomyosis, and uterine fibroids.