How bad will cigarette smoking effect my husbands fertility? He is 28 yr old and has been a smoker for about 8 or 9 yr. He smoke about a pack a day.

IT WILL EFFECT FERTI. It decreases sperm concentration by 23% sperm motility redduced 13% sperm morphology also affected abnormal hormonal level quiting smoking can improve all that.
It lowers fertility. Smoking does lower fertility in both men and women. In men, it affects sperm number and strength. Second-hand smoke also lowers fertility in women, so there should be zero smoking in the home or car (open windows don't work). It is harder to quit the longer someone smokes, which will also affect a baby (medically, and as a role model). Help with quitting is free by calling 1-800-quit now.