What can smoking do to your chances of conceiving?

Reduce the chance: Smoking affects pregnancy from preconception to after delivery--it reduces fertility, increases risk of many complications of pregnancy including miscarriage, low birthweight, placenta diseases, among many others. Children whose parents smoke have more asthma, ear infections, upper respiratory infections, and potentially more adult lung cancer due to second-hand smoke exposure.

Smoking & conceiving: Women smokers who try for a baby may take up to two months longer to conceive than non-smokers, doctors say.Researchers have, for the first time, measured the effect of the habit on a woman's chances of becoming pregnant.A study looked at the success rates of 569 women aged around 29 who were trying to have a baby, including smokers, ex-smokers and non-smokers.