A straight answer to this question should be no. Consumption of alcohol both during pregnancy and lactation can prove harmful for your baby. That said mothers can still treat themselves to a glass of wine occasionally. Even during pregnancy drinking wine once in a while is considered safe. But during breastfeeding you need to be more cautious. Alcohol through breast milk has a different effect on babies than alcohol through placenta if the mother used to drink during pregnancy. Here are 10 myths on breastfeeding you should stop following. Should breastfeeding mothers have wine? If you are a habitual drinker