Table 1-3. CONTRACEPTIVE USE AND EFFICACY (~ %)

Method			Married	Never Married	Failures/Year

Tubal ligation		30	7		0.4
Vasectomy		18	2		0.2
Oral contraceptives		20	52		2
Condom			14	22		10
Diaphragm/Spermicides	7	6		12
Withdrawal		4	4		15
Rhythm			4	4		20
IUD			3	3		5