Vaccination of pregnant women with COVID-19 vaccine usually does not affect the quality of breast milk, but if pregnant women have adverse reactions after vaccination due to personal physical reasons, such as dizziness, fever and other systemic reactions, or allergic reactions such as rash and itching. At this time, the hormone level in the maternal body will also be affected, which may affect the quality of breast milk and is not conducive to the baby's health. Therefore, it is suggested that such people stop breastfeeding first, and then breast-feed after the symptoms improve and the body recovers.
At present, the domestic COVID-19 vaccine has completed phase III clinical trials, and breastfeeding is generally safe. If your baby has abnormal adverse reactions during breastfeeding, you should consult your doctor for help in time.