AASECT Certified sexuality educators teach and train about a range of topics, including but not limited to sexual health; sexual and reproductive anatomy and physiology; family planning, contraception, and pregnancy/childbirth; sexually transmitted infections; gender identity and roles; gay, lesbian, bisexual, and transgender issues; sexual function and dysfunction; sexual pleasure; sexual variation; sexuality and disability; sexuality and chronic illness; sexual development across the lifespan; sexual abuse, assault, and coercion; and sexuality across culture.