When Infertility Is a Problem for a Couple

Multiple Choice

When infertility is a problem for a couple

A) it is usually a problem with the viability of the sperm.
B) it is usually a problem with the woman's production of viable eggs.
C) one-third of the cases have to do with female factors, one-third are due to male factors, and the remaining cases are mutual or can't be determined.
D) in 70% of the cases the problem is related to female factors, and in the remaining 30% of the cases it is related to male factors.