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World J Gastroenterol. Jul 21, 2014; 20(27): 8790-8795
Published online Jul 21, 2014. doi: 10.3748/wjg.v20.i27.8790
Published online Jul 21, 2014. doi: 10.3748/wjg.v20.i27.8790
Table 1 Food and Drug Administration drug administration categories for the use of medications in pregnancy
Category | Observations |
A | Controlled studies both in humans and in animals have shown that there is no risk during the first trimester and the possibility of fetal harm is remote |
B | Studies in animals have shown no risk to the fetus. However, no controlled studies have been carried out in pregnant women. In addition, studies in animals have revealed adverse effects which were not confirmed in pregnant women in the first trimester |
C | There is no record of controlled studies in humans. Studies in animals have shown adverse effects. Moreover, studies in humans and animals showing that the benefit may outweigh the risk have not been validated |
D | Evidence of risk for the fetus |
X | Studies in animals and humans have shown fetal abnormalities, so these drugs are contraindicated |
- Citation: Cury DB, Moss AC. Treatment of Crohn’s disease in pregnant women: Drug and multidisciplinary approaches. World J Gastroenterol 2014; 20(27): 8790-8795
- URL: https://www.wjgnet.com/1007-9327/full/v20/i27/8790.htm
- DOI: https://dx.doi.org/10.3748/wjg.v20.i27.8790