My wife is 23 years old she was pregnant 4 months ago after it was a miscarriage then doctor advised for d&c then after d&c she had a daily bleeding then doctor advised to take novelon tablets for 21 days after couple of months her periods became normal 28 days but blood flow is low my question is why blood flow and because of novelon tablets it will affect our pregnancy because we are trying to conceive now please help me.