Children exposed to as little as half an alcoholic drink a day in utero - even if they didn't have fetal alcohol syndrome - appeared to suffer in their achievement test scores.

Smoking is associated with a number of complications for babies in the womb, including early deliveries and underweight babies. Scotland's smoking ban made in dent in both of these.

Moms-to-be who are both overweight and smokers are more than twice as likely to have a baby with a congenital heart defect than women who are either overweight or a smoker but not both.

We've known for decades that smoking during pregnancy is potentially damaging for the baby, and has been linked to various birth defects, premature birth, underdeveloped lungs, low birthweight and many other problems.

The opinions keep flowing in. If a woman cares about the health of her newborn, she has no choice but to quit smoking. A comprehensive review dispels any remaining myth that smoking during pregnancy is harmless.

Nicotine addiction is one of the toughest habits to kick. Expecting moms have an added incentive: their newborn's health. For your baby, quitting early in pregnancy is almost as good as being a non-smoker.

It's no secret that smoking during pregnancy can lead to low birth weight or even miscarriage. But new research suggests smoking while pregnant can also affect children later in life.