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While no studies have directly observed this drug’s effects on pregnant humans, a variety of animal studies have shown that taking amoxicillin does no harm to the fetus

Amoxicillin and Lactation 

Studies have shown that breastfeeding while taking amoxicillin produces minimal risk to the breastfed infant. 


Can amoxicillin cause a miscarriage? 

There is no increased chance of having a miscarriage due to taking this medication. 

What antibiotics are safe during pregnancy? 

While some antibiotics can pose a risk to pregnant woman, the following are considered safe: 

  • Penicillins, including amoxicillin and ampicillin
  • Cephalosporins, including cefaclor and cephalexin
  • Erythromycin
  • Clindamycin

Does amoxicillin increase fertility? 

There is no evidence to suggest that amoxicillin increases fertility.  

Does amoxicillin cross the placenta? 

Amoxicillin does cross the placenta and is safe to take while pregnant. Some bacterial infections can cross the placenta, though; amoxicillin treats them. Risk category B

Disclaimer: this article does not constitute or replace medical advice. If you have an emergency or a serious medical question, please contact a medical professional or call 911 immediately. To see our full medical disclaimer, visit our Terms of Use page.

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