What syndrom does the ovaries enlarge by presence of many cyst formed incompletely developed follicles?

Answer: Polycystic ovary syndrome

Polycystic ovary syndrome (PCOS) is a hormonal disorder common among women of reproductive age. The ovaries contain numerous fluid-filled sacs or cysts and are enlarged. Women with PCOS may have infrequent or prolonged menstrual periods or excess male hormone (androgen) levels. The exact cause of PCOS in still unknown.