High levels of THC -- the compound in marijuana that causes a "high" -- may affect how eggs develop and could lead to fertility problems, miscarriages and chromosome issues in embryos, new research shows.
The findings were reported Tuesday in the journal Nature Communications.
Researchers analyzed more than 1,000 samples of ovarian fluid from patients undergoing fertility treatment. They compared unfertilized eggs (oocytes) from 62 women who tested positive for THC with a control group who did not use cannabis.
The study found that women with detectable levels of THC had a higher egg maturation rate. But they also produced fewer embryos with the correct number of chromosomes.
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