New research finds that people who use cannabis early in pregnancy are at increased risk of poor pregnancy outcomes

Credit: American Journal of Obstetrics and Gynecology (2023). DOI: 10.1016/j.ajog.2022.11.006

As more states legalize marijuana for recreational use, researchers are looking into the potential health effects of cannabis use during pregnancy.

In a new study to be presented today at the Society for Maternal-Fetal Medicine’s (SMFM) annual meeting, The Pregnancy Meeting—and published in the American Journal of Obstetrics & Gynecology—researchers will unveil findings that suggest that using cannabis in the first six to 14 weeks of pregnancy is associated with poor pregnancy outcomes that are closely related to the function of the placenta.

The placenta plays an important role during pregnancy, including providing an infant with oxygen and nutrients, removing harmful waste and carbon dioxide, and producing hormones that help a baby grow. Medicine, drugs, alcohol and…

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