This sheet talks about possible exposures at work during pregnancy or breastfeeding and ways to lower your risk. This information is based on published research studies. It should not take the place of medical care and advice from your healthcare provider. What types of hazards could be in the workplace? This fact sheet highlights chemicals and metals; however, there are many types of workplace hazards. Other workplace hazards include anesthetic gases, ionizing radiation, loud noise, …
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Fact Sheet: Chemotherapy
This sheet is about exposure to chemotherapy in pregnancy and while breastfeeding. This information is based on published research studies. It should not take the place of medical care and advice from your healthcare provider. What is chemotherapy? Chemotherapy (also called chemo) is a term that describes the use of medications given orally (by mouth) or intravenously (through a vein) to treat or control cancer by killing cancer cells. Chemotherapy is one of the most widely used methods to …
Fact Sheet: Iodine-131
This sheet is about exposure to iodine-131 in pregnancy and while breastfeeding. This sheet will not cover environmental exposures that might occur due to accidents in nuclear plants or inappropriate handling of the radioactive iodine-131. This information should not take the place of medical care and advice from your healthcare providers. What is iodine-131? Iodine-131 (also known as I-131) is a radioisotope of iodine. Radioisotopes release radiation. Iodine-131 concentrates in the thyroid, …
Fact Sheet: Magnetic Resonance Imaging (MRI)
This sheet is about exposure to magnetic resonance imaging (MRI) in pregnancy and while breastfeeding. This information is based on available published literature. It should not take the place of medical care and advice from your healthcare provider. What is magnetic resonance imaging (MRI)? Magnetic resonance imaging, known as MRI, is a medical procedure that has been used to create pictures of the inside of the body to diagnose some diseases or conditions. An MRI can also create images of a …
Fact Sheet: Ondansetron (Zofran®)
This sheet is about exposure to ondansetron in pregnancy and while breastfeeding. This information is based on available published literature. It should not take the place of medical care and advice from your healthcare provider. What is ondansetron? Ondansetron is a medication that has been used to treat nausea and vomiting following surgery, chemotherapy, or radiation therapy. Ondansetron has also been prescribed during pregnancy to help with symptoms of nausea and vomiting in pregnancy …

