Can marijuana use during pregnancy hurt a baby?

Can marijuana use during pregnancy hurt a baby


In the US, 4% of pregnant women report using cannabis in the last month.

During pregnancy, up to 30% of THC (marijuana) can reach the baby.

Research shows that a child exposed to THC in the uterus or via breast milk is more likely to:

  • Show greater irritability and tremor like an infant.
  • They reduce kinetic growth in 12 months.
  • Show gaps in problem solving and memory in school.
  • Expand the symptoms of hyperactivity and inactivity.

However, it is difficult to tell if exposure to THC causes these problems or if it occurs alongside other contributing factors, such as parental alcohol use.

In some states, women who expose their children to marijuana in utero may need to treat substance abuse.

Bibliographical references:

  1. Can marijuana use during and after pregnancy harm to the baby? (2018). National Institute of Health. Retrieved from
  2. Is it safe to use marijuana during pregnancy? (2017). Retrieved from
  3. Some pregnant women do not believe that hemp is harmful to the fetus. (2019, January 21). ScienceDaily. Retrieved from

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