This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical Illness Complicating Pregnancy, Subject name: Gynaecology & Obstetrics
Which of these vaccines is not contraindicated in pregnancy? 
Select and explain. 
A. Measles, B. Hepatitis B, C. Varicella, D. BCG
B: Hepatitis B
Answer: B: Hepatitis B 
Explanation: Hepatitis B vaccine can be given to a high risk mother in pregnancy if she is seronegative. Vaccines contraindicated in pregnancy are Mumps Measles Rubella Varicella BCG Live influenza vaccine