N83: Noninflammatory disorders of ovary, fallopian tube and broad ligament

N83.1: Corpus luteum cyst

The ovaries are part of the female genitals. There are two ovaries, one on each side. The ovaries sit low down in the abdomen. Egg cells mature in the ovaries. The egg cells can later develop into a child. The ovaries also produce various messenger substances.

The corpus luteum is produced in the ovary after the egg cell has left the ovary. The corpus luteum produces messenger substances that are important for pregnancy. If you do not become pregnant, the corpus luteum is normally broken down. In your case blood has entered the corpus luteum. There has then been a build-up of fluid in the corpus luteum.

In most cases these cysts do not cause any problems and clear up without treatment after a while. If the cysts become very large, you may have abdominal pains, for example. The cysts may also affect your periods.