M.B.B.S (CAL),D.G.O.,M.S (G&O),F.I.A.O.G. CONSULTANT Gynaecologist And Obstetrician.
Medical Definition of OB/GYN. OB/GYN: A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers babies. GYN is short for gynecology or for a gynecologist, a physician who specializes in treating diseases of the female reproductive organs.