Ortho Micronor and Pregnancy

Pregnant women should never intentionally take Ortho Micronor. Pregnancy problems are not likely to occur if you accidentally use the oral contraceptive before realizing you are pregnant, but you should stop using it as soon as your pregnancy is confirmed. If you are taking Ortho Micronor and pregnancy occurs, stop using the pill and contact your healthcare provider.

An Overview of Ortho Micronor During Pregnancy

Ortho Micronor® (norethindrone) is a birth control pill, technically known as an oral contraceptive. Women should not intentionally take Ortho Micronor (or any other birth control pill) during pregnancy. While doing so is probably not dangerous, it does not provide any benefit at all.
(Ortho Micronor is equivalent to Errin®, Jencycla™, Jolivette®, and norethindrone birth control pills. The information in this article applies to each of these medications as well.)

Ortho Micronor and Pregnancy Category X

The U.S. Food and Drug Administration (FDA) uses a pregnancy 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 such as birth defects or miscarriages.
Although it is "common knowledge" that taking birth control pills during early pregnancy is very dangerous, in reality, doing so is not likely to cause any serious problems, even though Ortho Micronor is a pregnancy Category X medication. Large studies have shown no increased risk of birth defects when birth control pills were accidentally taken in early pregnancy.
If you accidentally used Ortho Micronor for a while before you realized you were pregnant, this probably will not cause any problems (although you should discuss this with your healthcare provider). If you are pregnant, you should stop using Ortho Micronor right away. If you think you may be pregnant, you should contact your healthcare provider for further instructions.
If you miss your period while taking Ortho Micronor, you may want to consider making sure you are not pregnant (an over-the-counter pregnancy test should be sufficient), especially if you have missed any of the pills. Keep in mind that it is normal to have late or early periods while taking Ortho Micronor. If you have not had a period in 45 days, or if your period is even just a little late (but you have missed pills or taken any late), you should take a pregnancy test.
Last reviewed by: Kristi Monson, PharmD
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