What might result if a woman drank and smoked during the fifth week of gestation?

cigarette and alcohol can damage the health of the baby/babies. smoking/drinkng while pregnant can cause the baby to have low birthweight and premature birth and to have higher rates of illness and to have SIDS (Sudden infant death syndrome). also consuming alcohol while is the leading cause of birth defects. It could cause the baby to have so many birth defects and also could kill your baby.<3 :3