Infertility is usually defined as: select one:
a. childlessness.
b. the inability to conceive after one year of unprotected intercourse.
c. the inability to conceive after ten years of unprotected intercourse.
d. sterilization.
I believe the answer is: b. the inability to conceive after one year of unprotected intercourse
In united states, the rate of infertility among women is around 12% and 15% among men .The most common causes of infertility, are :low sperm count, improper temperature within the female host's body, and hormonal imbalance in the host's body