Pregnancy and Vaccinations: What you need to
know?
The recent coronavirus pandemic has brought forth the importance of vaccinations. Vaccines are probably the most significant and effective ways to prevent a wide range of bacterial and viral infections. When we think of vaccinations, we generally think that they are meant only for children. In reality, vaccinations are as important for adults, if not more. This is because many infections such as chickenpox might be harmless or mild for children but extremely severe for adults. Pregnant women have to be exceptionally careful about their health as it directly impacts the health of their babies. Vaccinations help safeguard both the mother and child from infections during pregnancy. Pregnant women, who get vaccinated pass on important infection-fighting antibodies to their babies helping them develop stronger and healthier. Many women also have concerns about the impact vaccinations can have on their unborn child. Let us take a closer look into vaccinations during pregnancy, their importance and possible risks.
What are vaccines?
Vaccines are a safe and effective way to protect people
from harmful diseases and infections before they are exposed to them. They
often contain weakened or inactive forms of the virus/bacteria. They are
designed to stimulate an immune response from the body without creating any
severe complications of the disease.
According to the World Health Organisation, we now have vaccines that
can prevent more than 20 life-threatening diseases. It is estimated that
immunisation drives prevent 2-3 million deaths every year due to diseases such
as diphtheria, tetanus, influenza and measles.
Smallpox is considered to be the first disease to be completely
eradicated by vaccination (as declared by the WHO in 1980). Vaccination efforts
have also helped drastically reduce the occurrence of diseases such as polio
and guinea worm disease.
What vaccines are a must during pregnancy?
Most women are advised to undergo a blood test either
during their pre-pregnancy check-up or their early prenatal visit. This test
should check if they are immune to certain infections that can cause
complications during pregnancy such as chickenpox. If they do not have the antibodies that can
protect them and their baby during pregnancy, they should get vaccinated. Pregnant
women are generally not given vaccines containing live viruses.
There are two main vaccines recommended for women who are
pregnant, these include:
1. Flu (Influenza) shot
For most of us, flu is a harmless albeit extremely
uncomfortable infection. It can leave us feeling weak with muscle ache and
diminished appetite. However, we generally recover without any medical
intervention. On the other hand, flu can
cause extremely severe complications in pregnant women. It can lead to preterm
delivery and birth, affecting your baby’s growth and development. The flu vaccine (commonly called the flu
shot) is made of an inactive virus and hence is considered safe during
pregnancy. The influenza nasal spray should be avoided as it contains the live
virus. Women who are pregnant during the
flu season, or amidst a flu pandemic/epidemic should definitely talk to their
doctor about getting a flu shot.
2. Tetanus toxoid, reduced diphtheria toxoid and acellular
pertussis (Tdap) vaccine
The Tdap vaccine offers protection against the following
diseases,
·
Tetanus (T) causes pain and stiffness in the
muscles. In later stages, tetanus can cause serious complications such as
trouble swallowing or breathing and even death.
·
Diphtheria (D) causes difficulty in breathing,
paralysis, heart failure and sometimes death.
·
Pertussis (aP) or whooping cough can result in
incessant and violent coughing. It is especially dangerous for newborn who have
not been vaccinated as yet, causing complications such as pneumonia, convulsions,
brain damage and death.
Women are generally administered the Tdap vaccine in the
early part of their third trimester (in each pregnancy). They pass on the
antibodies to their babies providing them valuable protection from these
diseases for a few months after birth. The babies can then be vaccinated when
they are 2 months old.
What are other vaccines that might be recommended for
pregnant women?
In some cases, there might be an increased risk of any
particular type of infections. Especially in cases when travelling is involved.
If your obstetrician feels that there is a chance of you being exposed to
meningococcal disease, you might be asked to get the required vaccinations.
These include:
·
Hepatitis B: Hepatitis B is a viral infection
that damages the liver causing both acute or chronic disease. Women who have
hepatitis B can easily infect their babies during delivery. Women are advised
to get tested for Hepatitis B either before or in the early stage of their
pregnancy.
·
Hepatitis A: Similar to Hepatitis B, Hepatitis
A is a viral disease that affects the liver. It can cause mild to severe
symptoms. It is usually transmitted via contaminated food, water or direct
contact with an infected person. This vaccine is recommended for pregnant women
with a history of chronic liver disease.
·
Vaccines for travel: If you are planning on
visiting any new place, especially foreign countries, talk to your obstetrician
at least 6 weeks before your travel. Based on your destination and the
infections prevalent there, your doctor might recommend certain vaccines for
your safety as well as your baby’s.
What are the vaccines that should be avoided during
pregnancy?
Pregnant women are advised to avoid vaccines containing
live viruses. These include:
·
Chicken pox vaccine (Varicella vaccine)
·
Shingles vaccine (Zoster vaccine)
·
HPV (Human Papillomavirus) vaccine
·
MMR (measles, mumps and rubella vaccine)
·
BCG vaccine for tuberculosis
In extremely rare cases, vaccines can cause complications.
Especially if you are allergic to any component of the vaccine. Remember to
inform your obstetrician about any allergies you might have. If you are not
suitable for any particular vaccine, ask your doctor alternate ways to protect
your baby against harmful infections.
Dr. Meenakshi Surve Pawar
MS (OBGYN), MBBS,
DNB(OBGYN), FICS (UK), FPAI, FMAS
Sr. Consultant
(Obstetrician and Gynecologist)
Aashirwad Clinic and
Sonography Center
Website:
https://www.aashirwadclinic.net
Contact:
+91-749935-7236
Address: Aashirwad Clinic
and Sonography Center, Sham Heights, First Floor, Shop No. 103, Old Jakat Naka,
Chinchwad, Pune - 411033
Location:
https://maps.app.goo.gl/azWVezChGCoEBkHC9
Facebook:
https://www.facebook.com/MeenakshiPawarMS/
LinkedIn:
https://www.linkedin.com/in/aashirwad-clinic-and-sonography-center-5a7445350
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https://www.youtube.com/@AashirwadClinic1
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