Tylenol Use in Pregnancy May Reduce Daughters’ Fertility, Study Finds

Researchers found that girls whose mothers took the pain-relief drug had smaller wombs and fewer ovarian follicles, but said the drug may not be to blame.
Tylenol Use in Pregnancy May Reduce Daughters’ Fertility, Study Finds

A study in Denmark suggests that pregnant mothers taking Tylenol (acetaminophen/paracetamol) may impact the reproductive organ development of their daughters. Infant girls exposed to the drug in the womb showed smaller ovaries, fewer ovarian follicles, smaller wombs, and lower reproductive hormone levels. Further long-term studies are needed to confirm if these observed differences affect future fertility and menopause age.

  • Female reproductive organ development might be affected by mothers taking Tylenol during pregnancy.
  • Infant girls exposed to Tylenol in the womb had smaller ovaries and fewer ovarian follicles.
  • They also exhibited smaller wombs and lower reproductive hormone levels.
  • Long-term follow-up is necessary to determine implications for future fertility and menopause age.
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