Ondansetron for nausea and vomiting in pregnancy: re-evaluating the teratogenic risk

Monday 10th August 2020

Ondansetron for nausea and vomiting in pregnancy: re-evaluating the teratogenic risk

"The background risk of CLP is small (accounting for 11 per 10,000 pregnancies); therefore, a small increase in relative risk means that the absolute risk from ondansetron exposure during the first trimester is approximately 14 per 10,000 pregnancies. This equates to an extra three cases of CLP per 10,000 exposed pregnancies."

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