A California woman was scheduled to have a large cyst removed but, in the lead-up to the procedure, learned she had a rare ectopic pregnancy.

Colino is a contributor for TIME. Colino is a contributor for TIME. Ovarian cysts, which are small fluid-filled sacs that develop in or on the ovaries, are very common and are usually harmless. In ...

Ovarian cysts are fluid-filled sacs that form on or inside the ovaries for a variety of reasons. Often, they disappear on their own, but sometimes, they can grow very large, burst or cause an ovary to ...