How often are male factors the cause of a couples infertility?
Approximately 15% of couples attempting to have their first pregnancy do not succeed. Couples are normally labeled with a problem of infertility if they do not become pregnant after one year of unprotected intercourse. Conception usually is accomplished within twelve moths in 80-85% of couples who use no contraceptive methods. If this does not happen the couple should seek medical advice. The data collected over the past twenty years comes out looking something like this.