Can I drink alcohol while I'm pregnant? We don't know for sure how much alcohol it's safe for you to have while you're pregnant. That's why many experts advise you to cut out alcohol throughout pregnancy (DH 2007), or at least for the first three months (NICE 2008). If you do decide to drink alcohol while you are pregnant, it's best to stick to light drinking. That's no more than one or two units of alcohol, no more than once or twice a week (DH 2007, Kelly et al 2010, NICE 2008, RCOG 2006a & b). Heavy or binge drinking is dangerous for your baby. Heavy drinking is six or more units of alcohol a day (NICE 2008; DH 2007; RCOG 2006 a & b). If you have five or more units in a session, it's binge drinking (RCOG 2006a; BMA...