Can I Use Weed While Pregnant or Breastfeeding?

August 15, 2020
Pregnancy and Cannabis
Pregnancy and Cannabis

Should pregnant or breastfeeding women use cannabis?

Many people have been using medical marijuana for a variety of medical and recreational purposes, so much so that it’s used like any other medication. But there remains the question: Can I Use Weed While Pregnant or Breastfeeding? There are possible negative wellness impacts with use of marijuana items including THC in expecting or breast feeding women. Published scientific literature suggests negative results of cannabis usage in pregnant females, consisting of fetal development constraint, low birth weight, preterm birth, small-for-gestational age, neonatal intensive care unit (NICU) admission, and stillbirth. [1, 2, 3]

Based upon a published animal study, there are likewise concerns that use of cannabis while pregnant might adversely impact fetal brain growth. [4, 5, 6] The American College of Obstetricians as well as Gynecologists (ACOG) suggests that women who are expectant or considering becoming pregnant should stop cannabis use.

From the CDC:

What are the potential health effects of using marijuana during pregnancy?

  • Some research shows that using marijuana while you are pregnant can cause health problems in newborns— including low birth weight.10,11
  • Breathing marijuana smoke can also be bad for you and your baby. Marijuana smoke has many of the same chemicals as tobacco smoke and may increase the chances for developmental problems in your baby


The short answer to the question Can I Use Weed While Pregnant or Breastfeeding? is No, you shouldn’t. The use of cannabis, whether it’s taken for medical or recreational purposes, should be discussed with your healthcare provider to determine the purposes, especially if being used for therapeutic conditions, to find alternative solutions during your pregnancy and while breastfeeding.

Further Reading: