When it comes to vaccinations, it is mostly uneasy for women who are pregnant and are planning to become pregnant, because there are still big concerns about the safety of vaccination during pregnancy. It is believed that the vaccine can cause harm to the fetus through the placenta, and if it can be vaccinated, it will not be vaccinated as much as possible.
Indeed, according to the existing clinical evidence, a considerable number of diseases, especially infectious diseases, may cause low fetal birth weight, birth defects, premature birth, miscarriage and death, such as rubella, measles, influenza and other viral infections, and some diseases will affect pregnant women, and even lead to maternal death, such as hepatitis E, which will significantly aggravate the condition of pregnant women.
What you may not know, however, is that some vaccines are not only protective for pregnant women, but pregnant women pass on the protective antibodies produced by vaccination to the fetus through the placenta, and the use of the fetus is also protected, which is a safe and beneficial thing for both mother and baby.
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So, which vaccines are available to pregnant women?
Inactivated vaccines are safer for pregnant women. Inactivated vaccines simply kill the activity of cultured viruses or bacteria so that they are no longer pathogenic.
For example: the flu inactivated vaccine. During the influenza season, there are about 3 million to 5 million cases of serious infection worldwide, and pregnant women are susceptible to influenza, which can lead to fetal complications such as spontaneous abortion, preterm birth, low birth weight infants, fetal death, intrauterine and neonatal death. Influenza vaccines can be given at all stages of pregnancy (first, second, and third trimesters). Influenza vaccine has good safety, pregnant mothers can be assured of vaccination.
In the latest edition of the Technical Guidelines for Influenza Vaccination in China (2018-2019), the Chinese Center for Disease Control and Prevention recommends that pregnant women or women who are preparing to become pregnant during the flu season receive the influenza vaccine, in which pregnant women can be vaccinated at any stage of pregnancy.
In addition to inactivated influenza vaccines, there are imported hepatitis B vaccines, inactivated polio vaccines for intensive or emergency vaccination during epidemics, rabies vaccines that need to be vaccinated due to exposure risk, tetanus vaccines and other inactivated vaccines, which can be vaccinated during pregnancy, and it is very likely that the antibodies produced by the vaccine will be immunized through the placenta.
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Which vaccines can pregnant women not get?
In general, live attenuated vaccines are prohibited from being vaccinated during pregnancy, and some need to be given at intervals before becoming pregnant. For example, we recommend that women of childbearing age receive the leprosy vaccine three months before pregnancy, which can effectively avoid the occurrence of CRS (congenital rubella syndrome). This is because although the live attenuated vaccine is attenuated, it is a living pathogen after all, which can enter the fetus through the placenta and may cause teratogenicity or even death. Therefore, attenuated vaccines such as rubella vaccine, measles vaccine, chickenpox vaccine, mumps vaccine, etc., are prohibited during pregnancy.
Xiaobian said so much, do you have a new understanding of pregnancy vaccination, and it is not so exclusive. It is recommended that pregnant mothers should consult a doctor according to their own health status if they need to be vaccinated.