हेपाटाइटिस - बि गोसारनायनि बयनिख्रुइ गोनां जाहोना सनदेरजानाय बिमाफोरनि गोरबोनिफ्राय गथʼफोरा जायो ।
The most important causes of Hepatitis B happen to be at the time of child birth from the womb of infected mothers .