What Does OB Means in Medical? Obstetrics Obstetrics is the branch of medicine that deals with pregnancy, childbirth, and the postpartum period. Related Practice Tests โ Previous What Does NKA Means in Medical? โน Next โ What Does OT Means in Medical? โบ What Does LMP Means in Medical? What Does IM Means in Medical? What Does EDC Means in Medical? What Does NKA Means in Medical? What Does FUO Means in Medical? What Does N&V Means in Medical?