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 the following hepatitis virus have significant perinatal transmission 
Select and explain. 
A. Hepatitis-E virus, B. Hepatitis-C virus, C. Hepatitis-B virus, D. Hepatitis-A virus
C: Hepatitis-B virus
Answer: C: Hepatitis-B virus 
Explanation: Hepatitis -B Mother To Child Transmission (MTCT) is 90% when mother is HBsAg and HBeAg Positive Veical transmission is 10% in mother with negative HBe Ag