obstetrician
A medical doctor specializing in pregnancy, childbirth, and the postpartum period.
She has ten years of experience as an obstetrician.
産婦人科医 is a broader term for an obstetrician-gynecologist, while 産科医師 specifically emphasizes obstetrics.
助産師 is a midwife, a healthcare professional who assists in childbirth but is not a medical doctor.
Compound of 産科 (obstetrics) + 医師 (medical doctor).