A 34-year-old woman comes to the clinic because of left ...

The most likely cause of this patient's left sided pelvic pain is ovarian cysts. A follicular cyst occurs when the normal follicle does not shrink after the release of the egg. Follicular cysts are soft, have thin membrane walls, and contain clear fluid. They can rupture, causing sudden, severe pain that gradually goes away over several days. ................
................