TY - CHAP M1 - Book, Section TI - Contraception A1 - Schwinghammer, Terry L. A1 - DiPiro, Joseph T. A1 - Ellingrod, Vicki L. A1 - DiPiro, Cecily V. PY - 2021 T2 - Pharmacotherapy Handbook, 11e AB - Contraception is the prevention of pregnancy by inhibiting sperm from reaching a mature ovum or by preventing a fertilized ovum from implanting in the endometrium. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/03/29 UR - accesspharmacy.mhmedical.com/content.aspx?aid=1178896852 ER -