Key Takeaways

New guidance urges all pregnant patients to avoid cannabis

THC crosses the placenta and can contaminate breast milk

Screening should be supportive and not rely on drug testing, experts say

MONDAY, Sept. 22, 2025 (HealthDay News) — Pregnant people should stay away from cannabis, and doctors should ask all patients about its use before, during and after pregnancy, according to new guidance from the American College of Obstetricians and Gynecologists (ACOG).

The recommendations come as cannabis use during pregnancy has climbed in the U.S., following wider legalization and social acceptance.

A 2019 analysis of more than 450,000 women ages 12 to 44 found cannabis use more than doubled between 2002 and 2017, according to the National Institute on Drug Abuse (NIDA).

“When t

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