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| '''FDA Pregnancy Category'''
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| Initially developed in 1979 by US FDA to guide providers in interpretation of teratogenic risk associated with medications
| | #REDIRECT[[Drug ratings in pregnancy]] |
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| *'''Category A''':
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| Adequate, well-controlled human studies have not shown increased risk to the fetus
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| *'''Category B''':
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| Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women
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| *'''Category C''':
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| Animal reproduction studies have shown an adverse effect on the fetus; there are no adequate and well-controlled studies in humans, and the benefits from the use of the drug in pregnant women may be acceptable despite its potential risks
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| *'''Category D''':
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| Well-controlled human studies have demonstrated fetal risk, but the benefit of use may be acceptable despite its potential risks
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| *'''Category X''':
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| Studies have demonstrated animal or human fetal abnormalities and the risk of the drug clearly outweighs the potential benefits
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| [[Category: Pharmacology]] | |
