Does The Tdap Vaccine During Pregnancy Cause Autism In My Baby?

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Does The Tdap Vaccine During Pregnancy Cause Autism In My Baby?
Does The Tdap Vaccine During Pregnancy Cause Autism In My Baby?

Video: Does The Tdap Vaccine During Pregnancy Cause Autism In My Baby?

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Video: Should You Be Getting Vaccinations While Pregnant? 2023, February

The answer is no. A study by Kaiser Permanente, an organization committed to good health, conducted with more than 80,000 babies revealed that the fact that their mothers got the Tdap prenatal vaccine against tetanus, diphtheria and whooping cough during pregnancy was not associated with the risk of these babies suffering from autism

"Thanks to this study, pregnant women can rest assured that there is no increased risk of autism spectrum disorder in children after they have been exposed to the Tdap vaccine in utero," explains Dr. Tracy A. Becerra- Culqui, principal investigator of this analysis.

The Centers for Disease Control and Prevention (CDC) ensures that all of these diseases are caused by bacteria. Both diphtheria and whooping cough (pertussis) are transmitted from person to person. Tetanus enters the body through cuts, scratches, or wounds.

And at what point in pregnancy should I get this vaccine? These and other answers were offered to us by the same researcher exclusively for Siempre Mujer.

"The CDC recommends that pregnant women receive the Tdap vaccine between 27 and 36 weeks of gestation during each pregnancy. There is evidence to show that immunity is transferred to newborns and that the vaccine was 91.4% effective in providing some immunity to newborns until they were 2 months of age."

Always Woman (SM): We understand that not getting the vaccine could cause whooping cough, what is this disease and how does it affect the baby?

Tracy A. Becerra (TB): “Not receiving the vaccine does not cause whooping cough, but it leaves babies unprotected if they are exposed to others with the infection. It's hard to know when an adult has whooping cough because it usually looks like a cold, but they can still infect others if they get too close. Symptoms in young infants may not be as clear given their limited ability to cough, and therefore the distinctive "buzzing" sound is absent. Without clearing the airways, serious symptoms can appear in infected babies, such as lack of oxygen in 61% of cases, pneumonia (23%) and death (1%).”

SM: Since we are talking about pregnant women, what are the vaccines that should be applied throughout the gestation process and at what stages?

(TB): “The Tdap vaccine is the only vaccine currently recommended for all pregnancies during week 27 and 36 of gestation. The other vaccine also recommended is against the flu."

SM: What are the main myths of vaccines in pregnant women that we must stop believing?

(TB): “The common myths of any vaccine, not only those that pregnant women receive, is that they will contract the disease against which the vaccine tries to protect, for example, contracting the flu.

There is some evidence to show that people who are already getting sick and get a flu shot may think they got sick from the vaccine. However, they were unaware of their pre-existing disease. Some doctors now ask if their patients feel sick and recommend getting a flu shot once they have gotten better.

The other myth comes from childhood vaccines and that they can cause autism. There is ample evidence that vaccines are not associated with autism. It is possible that this myth, like the flu shot, arises from coincidence. For example, when children reach a developmental milestone expected (such as walking in the first year), these times coincide with the time of the new vaccines. Therefore, if development is delayed, it may seem to the parent that something at the time might have caused it.

SM: What are the vaccines that a woman should not receive during pregnancy and why are they dangerous?

(TB): “There is always ongoing research on the safety of vaccines for pregnant women. However, many vaccines are not recommended during pregnancy simply because there is no good reason to offer them during that time (with the exception of the flu shot and the Tdap shot). If there are good reasons to give a new vaccine, we will investigate to make sure it is safe and effective."

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More about this research

This intergroup study examined the diagnosis of autism in children born at Kaiser Permanente hospitals in Southern California between January 1, 2011 and December 31, 2014.

The study included 81,993 children and determined that:

Tdap's prenatal vaccination coverage varied from 26 percent for the 2012 birth group to 79 percent for the 2014 birth group.

  • The incidence rate of autism spectrum disorders in children was 1.5 percent in the group vaccinated with Tdap in utero and 1.8 percent in the group not vaccinated in utero, according to autism rates in the United States. (1.7 percent).
  • Analysis of data extracted from electronic health records showed that receiving the Tdap vaccine during pregnancy is not associated with an increased risk of autism spectrum disorder in children.
  • The results were constant in all the years of the study and among the first-born.

"Given the increasing practice of vaccinating pregnant women with the Tdap vaccine, it was important to address concerns that there was a link between maternal vaccination and the development of autism spectrum disorder in children," added Dr. Becerra. "We hope that our conclusions reassure parents and that they know that receiving the Tdap vaccine during pregnancy is not associated with autism in children," he concluded.

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