Question

question 7 of 10
which of these contraceptive methods on its own is least likely to prevent pregnancy?
a. diaphragm
b. vasectomy
c. withdrawal before ejaculation
d. iud

Explanation:

The withdrawal method (coitus interruptus) has a relatively high failure rate as pre - ejaculatory fluid (pre - cum) may contain sperm. A diaphragm is a barrier method, a vasectomy is a very effective permanent male contraceptive, and an IUD is a highly effective long - term contraceptive.

Answer:

C. Withdrawal before ejaculation