This document summarizes key topics related to sex and gender, including: 1) It defines sex as biological makeup (XX or XY chromosomes) while gender refers to behaviors, characteristics, roles, and appearance that are largely culturally defined. 2) It discusses early fetal development and factors like hormones that determine sex. 3) It lists common sexual dysfunctions and health issues for both men and women, including screening recommendations. 4) It briefly outlines gender roles and stereotypes that children learn at an early age, influenced by culture and media.