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Generic Name
Trade Name
Risk Category
  • Positive evidence of human fetal risk exists.
  • Potential benefits may warrant use of the drug in pregnant women despite potential risks (e.g. life threatening situations or serious illness).
  • Studies in animals and/or humans have demonstrated fetal abnormalities.
  • Fetal risk involved in use of drug, clearly outweighs potential benefit.
  • Contraindicated in women who are or may become pregnant. Don’t use.
FDA Pregnancy Risk Categories

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  • Estrogenic hormone.
  • Fetal Risk
    Fetal Risk
  • Use of Estrogens as group in 1st trimester is possible cause of cardiovascular, ear, eye, defects and down’s syndrome.
  • Suggested possible associaiton between exposure to conjugate estrogens in first trimester and multiple anomalies including cleft palate, micrognathia, cardiac defects, digital and limb defects.
  • No fetal harm was reported when conjugated estrogens used to induce ovulation or as emergency post-coital contraception.
  • Breast Feeding
    Breast Feeding
  • Causes decrease in milk production, decrease in nitrogen and protein contenent in milk.
  • No infant adverse effects.
  • Other Trade Names
    The information on this Web site is not intended as a substitute for the advice and care of your doctor or other health-care provider. Always consult your doctor if you have any questions about exposures during pregnancy and lactation, and before you take any medications. Please read the Terms and Conditions before using this website.
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