Can I Breastfeed After Testing Positive for CMV and HSV-1? - Obstetrics and Gynecology

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Is it possible to breastfeed?


Hello, doctor.
I would like to inquire if it is safe to breastfeed after giving birth if I have tested positive for CMV and HSV-1 during pregnancy.
Thank you.

dodo, 30~39 year old female. Ask Date: 2021/05/02

Dr. Huang Yiwen reply Obstetrics and Gynecology


Hello, Miss Dou Dou: Patients with CMV and HSV-1 can breastfeed.

Reply Date: 2021/05/02

More Info


Yes, you can breastfeed after testing positive for CMV (Cytomegalovirus) and HSV-1 (Herpes Simplex Virus type 1). Both of these viruses have specific considerations when it comes to breastfeeding, and understanding these can help alleviate concerns.


Cytomegalovirus (CMV)
CMV is a common virus that can be transmitted through bodily fluids, including breast milk. In fact, CMV is often found in the breast milk of mothers who are infected. The good news is that most healthy infants can handle CMV without any issues. For mothers who are CMV positive, breastfeeding is generally encouraged because the benefits of breastfeeding, including the provision of essential nutrients and antibodies, outweigh the risks associated with CMV transmission.
However, it is important to note that if your baby is premature or has a compromised immune system, you should consult your healthcare provider for personalized advice. In such cases, the risks may need to be evaluated more carefully.


Herpes Simplex Virus (HSV-1)
HSV-1 is typically associated with oral herpes, but it can also cause genital herpes. If you have a history of HSV-1, it is crucial to consider the current state of your infection. If you are not experiencing an active outbreak (i.e., no sores or lesions), breastfeeding is safe. The virus is not transmitted through breast milk, and the risk of transmission during breastfeeding is very low.

However, if you have an active outbreak of HSV-1, it is advisable to take precautions. You should avoid direct contact with the breast area if there are any lesions present. Additionally, practicing good hygiene, such as washing your hands frequently and using a breast pump instead of direct breastfeeding, can help minimize any potential risk.


General Considerations
1. Consult Your Healthcare Provider: Always discuss your specific situation with your healthcare provider. They can provide personalized recommendations based on your health status and any potential risks to your baby.

2. Monitor for Symptoms: Keep an eye on your baby for any signs of illness. If your baby shows any unusual symptoms, consult a pediatrician immediately.

3. Emotional Support: It’s normal to feel anxious about breastfeeding after testing positive for these viruses. Consider seeking support from healthcare professionals, lactation consultants, or support groups for new mothers.

4. Benefits of Breastfeeding: Remember that breastfeeding provides numerous benefits to both you and your baby, including bonding, nutrition, and immune support. The antibodies present in breast milk can help protect your baby from infections.

In conclusion, breastfeeding after testing positive for CMV and HSV-1 is generally safe, provided that you are not experiencing active symptoms. The advantages of breastfeeding typically outweigh the risks associated with these infections. Always consult with your healthcare provider for tailored advice and support.

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