TY - CHAP M1 - Book, Section TI - Contraception A1 - Wells, Barbara G. A1 - DiPiro, Joseph T. A1 - Schwinghammer, Terry L. A1 - DiPiro, Cecily V. Y1 - 2017 N1 - T2 - Pharmacotherapy Quick Guide 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 Education CY - New York, NY Y2 - 2024/04/20 UR - accesspharmacy.mhmedical.com/content.aspx?aid=1144734677 ER -