A gynecologist is a physician who has been specially trained in diagnosing and treating diseases related to the reproductive system of those assigned female at birth which includes: the vulva, uterus, ovaries, fallopian tubes, cervix, vagina, and breasts. You might see a gynecologist for menstrual issues, contraception, sexuality, menopause, or infertility issues. Many gynecologists also provide prenatal care, and some provide primary care.