Medical students need to complete four years of medical school, and then three to eight years of internship and residency, to complete advanced educational requirements for an obstetrician and gynecologist. This advanced training happens after four years of undergraduate college education.
All OB-GYN doctors are medical doctors (MDs). As of May 2013, obstetrician and gynecologists earn a median salary of $212,570 in the United States. There were approximately 21,730 of these types of doctors in 2013. Obstetrician and gynecologists diagnose, treat and help prevent diseases affecting women, especially during the process of childbirth. These doctors treat breast cancer, cervical cancer, pelvic diseases and hormonal disorders in women.