Animal studies have failed to reveal evidence of fetal harm or impaired fertility at doses up to 400 times the recommended human dose; however, there was increased incidence of abortion at levels reaching maternal toxicity. There are no controlled data in human pregnancy.

US FDA pregnancy category B: Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.

Use is recommended only if clearly needed and the benefit outweighs the risk.

US FDA pregnancy category: B

See references

Use is not recommended and a decision should be made to discontinue breastfeeding or discontinue the drug, taking into account the importance of the drug to the mother.

Excreted into human milk: Yes

Comments:
-The American Academy of Pediatrics considers other cephalosporins (e.g., cefadroxil, cefazolin) as compatible with breastfeeding.
-Maternal doses of cephalosporins have resulted in reports of neonatal diarrhea and thrush.

See references