Story perspectives
New Study Links Cannabis Use to Fertility Risks
9/9/2025
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Story summary
- New research suggests cannabis may harm women's fertility, especially during pregnancy.
- A study in *Nature Communications* links THC exposure to chromosomal abnormalities in IVF eggs and embryos.
- Researchers examined eggs from 1,059 women, finding THC in 62 cases, associated with mature but possibly aneuploid eggs.
- Lead researcher Cyntia Duval urges caution regarding cannabis use when trying to conceive.
- Future studies will investigate THC's effects on egg cell epigenetics.
