Researchers say stress doubles your risk of infertility.
More couples are finding their dreams of having a second child are not coming true.
Studies have shown that men tend to be reluctant to seek professional help when a couple has trouble getting pregnant.
Doctors say more couples are getting treatment for infertility at younger ages, and the stress they face only adds to their challenges.
Drinking from plastic cups with high levels of a certain chemical could lead to infertility in men.