Vaginal ultrasound can examine many problems of the ovaries. Ultrasound examination of the ovaries through the vagina allows you to see the development of the follicles, so you can monitor the development of the follicles and ovulation under vaginal ultrasound, which is very accurate and helpful to help guide conception. Vaginal ultrasound also allows you to see cysts or solid tumors of the ovaries and distinguish whether they are cystic changes or solid tumors of the ovaries, which can be partially useful in identifying their benign or malignant nature. Vaginal ultrasound examination of the ovaries, if chocolate cyst changes are found in the ovaries, the diagnostic compliance rate of vaginal ultrasound for ovarian chocolate cysts can reach about 96%. Ovarian chocolate cysts are endometriosis of the ovaries, which means that the endometrium is ectopic to the inside of the ovaries and the ectopic endometrium also bleeds every month with the onset of menstruation. This disease can be diagnosed by ultrasound with a 96% compliance rate, and the final diagnosis must be treated by surgery.