• Infertility is the inability of a couple to conceive after a year of unprotected intercourse (six months for women over age 35) or the inability to carry a pregnancy to term.
• Approximately 15 percent of couples, or one in six, are faced with infertility.
• Infertility affects 6.1 million people in the United States - about 10 percent of the reproductive age population.
• Infertility is a female problem in 35 percent of cases, a male problem in 35 percent of the cases, a combined problem in 20 percent of cases, and unexplained in 10 percent of all cases.
• Nationwide, millions of women are undergoing infertility treatment.
• Almost half of all couples have more than one cause for infertility.

There are many possible causes of infertility. A single cause may not be linked to either the man or the woman. Often the problem stems from a combination of factors in either or both partners. You and your partner will be diagnosed as a couple to determine the best treatment for you.

In women, infertility, may be caused by ill health, stress, or hormonal problems, which can lead to a failure to ovulate regularly, and to irregular or not menstrual periods.

A man's fertility is said to be impaired when the number of sperm present is a milliliter of ejaculate is less than 20 million, or if the sperm are slow moving or misshapen. Poor sperm quality may result from a hormonal imbalance, smoking, and various drugs.