When discussing your infertility problems, your doctor may use terms that are unfamiliar to you - like PCOS. Don't hesitate to ask him to explain. 100 Questions and Answers About Infertility tells us that PCOS stands for:

Polycystic ovarian syndrome (PCOS) is an exceedingly common reproductive disorder, affecting an estimated 10% to 15% of reproductive-age women.

But don't be too quick to take all the blame. Your mate should be tested as well. An article on the Ayurveda and Herbal Remedies Blog states:
Male Fertility: Some Contributing Factors
MALE fertility is plunging. And nearly one in 10 men may be suffering, according to a survey published last month.

The Male Fertility Study, compiled by Norwich Union Healthcare from a survey of GPs, suggests that 2.5 million British men are affected, and many do not even know they may be at risk. The scale of the problem was first recognised in 1991 when a Danish study found that sperm counts of Western men had fallen by about half in 50 years. Almost 15 years later, scientists are still trying to explain it.