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Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-.

Cover of Drugs and Lactation Database (LactMed)

Drugs and Lactation Database (LactMed) [Internet].

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Magnetic Resonance Imaging

Last Revision: October 31, 2018.

Drug Levels and Effects

Summary of Use during Lactation

Magnetic resonance imaging (MRI) uses magnetic fields and radio waves to obtain images. These are present only during the short time that the image is being taken and leave no radiation, radioactivity or magnetism in the body or in the milk. MRI scans have no known effect on the milk in the breast at the time of imaging. No special precautions are required.

For information on contrast media used with MRI imaging, see the LactMed entry for the specific contrast agent.

Effects in Breastfed Infants

Relevant published information was not found as of the revision date.

Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.

Substance Identification

Substance Name

Magnetic Resonance Imaging

Drug Class

Disclaimer: Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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