Which of the following vaccines is recommended for all pregnant women to prevent tetanus and whooping cough?

BTSC Staff Nurse 31 July-2025

Obstetrics and Midwifery Nursing

Easy

Appeared in: BTSC Staff Nurse 31 July-2025

Explanation

The Tdap vaccine is specifically designed to protect against Tetanus, Diphtheria, and acellular Pertussis (whooping cough).
It is an inactivated vaccine, making it safe for administration during pregnancy.
Current guidelines recommend Tdap for every pregnancy, typically between 27 and 36 weeks, to maximize the transfer of maternal antibodies to the fetus.
This passive immunity is crucial for protecting newborns from pertussis, as they are too young to be vaccinated themselves and are at high risk for severe complications.

Option A: The Pentavalent vaccine is a combination vaccine (Diphtheria, Tetanus, Pertussis, Hepatitis B, and Haemophilus influenzae type b) primarily used for infant immunization schedules, not for pregnant women.
Option C: The MMR (Measles, Mumps, Rubella) vaccine is a live attenuated vaccine. Live vaccines are generally contraindicated during pregnancy due to the theoretical risk of the virus crossing the placenta and affecting the fetus.
Option D: The BCG (Bacille Calmette-Guérin) vaccine, which protects against tuberculosis, is also a live attenuated vaccine. It is not recommended for use during pregnancy due to safety concerns for the fetus.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Vaccination during pregnancy as background academic context rather than a clinical decision trigger.
Administering Tdap during pregnancy is a key nursing intervention for maternal and child health, directly preventing neonatal pertussis.
Nurses play a vital role in educating expectant mothers about the safety and importance of the Tdap vaccine, addressing misconceptions and ensuring timely administration.
This practice, often called 'cocooning,' protects the infant by immunizing those in close contact, with maternal vaccination being the most effective first step.

How to Approach the Question

First, identify the key elements of the question: the patient population is 'pregnant women' and the diseases to prevent are 'tetanus and whooping cough' (pertussis).
Recall the types of vaccines and their general contraindications. A major rule is that live attenuated vaccines are typically avoided in pregnancy.
Evaluate the options: Identify MMR and BCG as live vaccines, which makes them incorrect choices for a pregnant woman.
Differentiate between the remaining options, Pentavalent and Tdap. Both cover tetanus and pertussis.
Recall that Pentavalent is a pediatric vaccine for infants, while Tdap is the formulation recommended for adolescents and adults, including pregnant women, as a booster.
Conclude that Tdap is the specific vaccine recommended for pregnant women to protect against tetanus and whooping cough.

Concept Tested & Keywords

Concept Tested: Vaccination during pregnancy
Stem keywords: vaccines, pregnant women, tetanus, whooping cough
Lead-in keywords: Which
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: false

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