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Although studies on Ogen (estropipate) and pregnancy show that the drug does not increase the risk of birth defects, pregnant women should not use this medication. There is no legitimate medical reason for a pregnant woman to use Ogen, and the full risks of using the drug during pregnancy are not known. If you are taking Ogen and pregnancy occurs, notify your healthcare provider immediately.

An Overview of Ogen During Pregnancy

Ogen® (estropipate) is a prescription estrogen medication. It should not be used intentionally by pregnant women. There is no accepted medical reason for pregnant women to use the drug.
Ogen is almost always considered a pregnancy Category X medication, although this terminology is not used in the prescribing information for the drug, as is common in older medications like Ogen.

Ogen and Pregnancy Category X

The U.S. Food and Drug Administration (FDA) uses a category system to classify the possible risks to a fetus when a specific medicine is taken during pregnancy. Pregnancy Category X is given to medications that should not be used during pregnancy, usually due to serious problems that could occur, such as birth defects or miscarriages.
Although Ogen is a Category X medication, it does not appear to increase the risk of birth defects or other problems. However, because there is no accepted, legitimate medical reason for pregnant women to use it, and because the risks are not fully understood, Ogen should not be used during pregnancy. Estrogens are not effective for preventing miscarriages or other problems in pregnancy.

Ogen and Pregnancy: Final Thoughts

Ogen is not approved for any use in pregnant women. If you accidentally used the drug for a while before realizing you were pregnant, it will probably not cause any problems, although you should discuss this with your healthcare provider. If you think you may be pregnant, you should contact your healthcare provider for further instructions.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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