Alcohol use during pregnancy can cause fetal alcohol spectrum disorders (FASDs), which are physical, behavioral, and intellectual disabilities that last a lifetime. FASD is 100% preventable.
Links
[1] https://www.cdc.gov/vitalsigns/fasd/index.html
[2] http://www.rethinkpot.org/tags/alcohol
[3] http://www.rethinkpot.org/tags/pregnancy