This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Principles of Immunization and Vaccination, Subject name: Social & Preventive Medicine
All of the following vaccines are contraindicated in pregnancy EXCEPT: 
Select and explain. 
A. Measles, B. Rubella, C. BCG, D. Tetanus
D: Tetanus
Answer: D: Tetanus 
Explanation: Ans. (d) TetanusRef : K. Park 23rd ed. / 312* All live and meningococcal vaccines are C/I in pregnancy EXCEPT: YF and OPV* Measles, rubella and BCG are live vaccines while Tetanus is from toxoid category.* Remember, these live vaccines can't cross the placenta* These vaccines are still contraindicated because pregnancy is an immune-compromised state, they might harm mother.Vaccines Indicated During Pregnancy* Killed* Toxoids (tetanus)* Cell fraction (Hep A, Hep B)* OPV and YF