Please do try nigella for hepatitis. Milk thistle is also known to purify and heal the liver and actually help liver tissue to regenerate.
As far as the periods, this is the result of iron overload and that must be addressed before you can consider pregnancy. If you do have high iron, you need to chelate aggressively to reduce the iron load, and I would highly recommend antioxidants like vitamin E and IP6 to help prevent damamge to your glands.