Smoking, drinking, pregnant?

Smoking and drinking pregnant can not depend on the specific situation, a small amount of smoking and drinking may affect the growth and development of the fetus, but will not cause much harm. But long-term smoking and drinking, will affect the reproductive system function, thus increasing the probability of fetal malformations. Pregnant women need to quit smoking and alcohol immediately, regular prenatal check-ups, to determine whether there are abnormalities in the fetus.