

The makers of contrast dye say women should not nurse for 1 to 2 days after their test. If you have a newborn, an MRI might affect your ability to breastfeed. Your doctor probably won't use contrast dye at all while you're pregnant. You may need to wait to have an MRI until after your first 3 months of pregnancy or have a different test. For this reason, you shouldn't have this test during your first trimester, when your baby's organs are developing. You Recently Became PregnantĪlthough MRI doesn't seem to harm a growing baby, it can raise the temperature inside your body. This condition causes thickened and hardened tissue to form on the skin, joints, and organs. Rarely, the dye can cause what’s called “nephrogenic systemic fibrosis” in people with kidney disease. In that case, you might not get that dye made with gadolinium. But if you have severe kidney disease, the dye can cause problems.

This dye helps your doctor see the MRI picture more clearly. Some MRI scans use a contrast dye that contains the metal gadolinium.

Magnetic resonance imaging (MRI) doesn't use X-rays, so there's no radiation exposure.
