A gynecologist is a medical professional who specializes in diagnosing and treating diseases and conditions related to the female reproductive system. They provide comprehensive care for women's reproductive health from puberty through menopause, including services such as pelvic exams, cancer screenings, STI testing, and family planning Gynecologists may also treat certain conditions affecting the rectum, bladder, and urethra. They can diagnose and treat various conditions such as endometriosis, ovarian cysts, uterine fibroids, vaginal infections, and different types of cancer. It is recommended for women to start seeing a gynecologist between the ages of 16 and 23.