All of the following statements concerning methods limiting family size, are true, except :: (A) Women who do not breastfeed are much more likely to become pregnant than those who do, (B) Globally the number of tubectomies far exceeds the number of vasectomies, (C) The barrier methods (condoms and diaphragms) are perhaps the most effective at limiting family size, (D) All anovulatory drugs are paicularly likely to cause effects in women over 35 years of age and women who smoke
Answer is C. The barrier methods (condoms and diaphragms) are perhaps the most effective at limiting family size