This document provides an overview of key concepts in obstetrics and gynecology (OB-GYN). It defines common terms, reviews female anatomy, lists the purposes of OB-GYN surgery, discusses types of abortions and complications, matches diagnostic techniques and procedures to definitions, and explains the use of lasers in gynecological surgery. The objectives cover matching terms, listing surgery purposes, discussing abortions and complications, and matching procedures, diagnostic techniques, and lasers to definitions.