Common Among Women Who Use Illicit Drugs During Pregnancy

Pre-pregnancy Body Mass Index scores in the underweight range Folic acid supplementation lacking in the periconceptional period Alcohol use and cigarette smoking during pregnancy Partners are illicit drug users Intimate partner violence Lower levels of education and income Higher rates of unemployment

May Be Unique to Women Who Use Marijuana During Pregnancy*

Excessive weight gain during pregnancy More likely to be nulliparous More likely to have had an induced abortion in the past

^*Data is from a population-based study using the National Birth Defects Prevention Study with a relatively small sample of marijuana users (N = 189)