is a 2.2 cm ovarian cyst big?
The follicle is usually about 2–3 cm when measured across (diameter) but sometimes can be larger. What is an ovarian cyst? An ovarian cyst is a larger fluid-filled sac (more than 3 cm in diameter) that develops on or in an ovary. A cyst can vary in size from a few centimetres to the size of a large melon.