Birth Control Problem Set

Problem 2: NOT a barrier method of contraception

A.	Condoms
B.	Intrauterine devices (IUDs) The intrauterine device (IUD) works by interfering with implantation of the embryo rather than preventing contact between sperm and ovum. No consensus on exactly how it works. It may immobilize sperm, interfere with migration of sperm, speed transport of the ovum, or alter the lining of the uterus.
C.	Diaphragm