An obstetrics program focuses on prenatal care as well as childbirth and post-delivery care. Students who want to learn more about this medical field should have a strong background in science and may need an advanced degree to become qualified.

A PhD, or Doctorate of Philosophy, is the highest degree awarded in many academic fields. Generally requiring a research project and dissertation, as well as several years of study, a doctorate degree qualifies the holder as an expert in a chosen field.