This makes it really easy to find conflicting information and oftentimes leads to even more questions than any real answers. The short answer to whether vaccines are safe during pregnancy and while breastfeeding is yes. The majority of live viruses in vaccines have been shown to not transfer into human milk and do not pose a risk for mothers who are breastfeeding or for their infants.
This means that most vaccines are not hazardous for nursing mothers or their infants. In fact, there is evidence that breastfed babies sometimes even respond better to immunizations than babies on formula. We strongly recommend speaking to your healthcare provider about any questions or concerns during your pregnancy and breastfeeding experience.
You can also refer to the U. In fact, the CDC has developed a helpful chart that lists each vaccine and whether they recommend any precautions taken for each while breastfeeding. We have shared some of the more common vaccines below, as well as any CDC-recommended precautions to take:. No data available, though the CDC says this vaccine is commonly given to nursing mothers without negative effects on their breastfed infants.
Should not be administered to nursing women. In the unlikely event of a smallpox outbreak, contact your state health department for further recommendations. Form for providers to refer patients who were exposed to smallpox vaccine while pregnant to the Smallpox Vaccine in Pregnancy Registry.
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Need larger text? Vaccines During Pregnancy and Breastfeeding Ideally, women should be immunized before becoming pregnant in order to be protected against infectious diseases, but staying up-to-date with immunizations can be difficult.
Information on Specific Vaccines during Pregnancy Influenza Vaccination Pregnant women are more likely than the general population to become severely ill and are at a higher risk for serious complications from influenza illness. The safety profile of inactivated influenza vaccination for use by pregnant women has been demonstrated in various research studies.
Pregnant women who get the influenza vaccination may provide antibody protection to their newborn infants. Vaccine Safety Pregnant women often have concerns about the safety of vaccines for themselves and their baby. FDA Medicine Categories Pregnancy Category Definition A In human studies, pregnant women used the medicine and their babies did not have any problems related to using the medicine.
B In humans, there are no good studies. But in animal studies, pregnant animals received the medicine, and the babies did not show any problems related to the medicine. Or In animal studies, pregnant animals received the medicine, and some babies had problems.
But in human studies, pregnant women used the medicine and their babies did not have any problems related to using the medicine. C In humans, there are no good studies.
In animals, pregnant animals treated with the medicine had some babies with problems. However, sometimes the medicine may still help the human mothers and babies more than it might harm. Or No animal studies have been done, and there are no good studies in pregnant women. D Studies in humans and other reports show that when pregnant women use the medicine, some babies are born with problems related to the medicine. However, in some serious situations, the medicine may still help the mother and the baby more than it might harm.
X Studies or reports in humans or animals show that mothers using the medicine during pregnancy may have babies with problems related to the medicine. The vaccine is not live and cannot cause whooping cough. Neither inactivated nor live vaccines administered to a lactating woman affect the safety of breast feeding for women or their infants. Breast feeding does not adversely affect immunization and is not a contraindication for any vaccine, with the exception of smallpox vaccine.
Modulation of the immune system by human milk and infant formula containing nucleotides. Pediatrics ; Breast-fed infants should be vaccinated according to recommended schedules. Chicken pox varicella : breastfeeding is not a contraindication to varicella vaccine Hepatitis A : There is no contra indication to having the vaccination and continuing to breastfeed.
Pneumonia : A breastfeeding mother can have a Pneumococcal vaccination whilst breastfeeding Polio : The injectable polio vaccine is inactivated and poses no risk when given to mothers who are breastfeeding.
Tuberculin and BCG : There is no reason to avoid tuberculin testing during breastfeeding nor to avoid use of the BCG vaccine Typhoid Vaccination : One study of previously vaccinated infants found that at 21 to 40 months of age breastfed infants had higher IgG levels against diphtheria, higher secretory IgA levels in saliva against diphtheria and tetanus and higher fecal IgM against tetanus than formula-fed infants.
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