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 ENT Means in Medical? What Does IV Means in Medical? What Does PERRLA Means in Medical? What Does NKA Means in Medical? What Does PT Means in Medical? What Does I&O Means in Medical?