I had my last periods on 4th July 2016 and perform a pregnancy test in mid August which was positive and still positive today. My concern is I ve started with bleeding from the 20th September and rushed to ER and tthe Dr did the soner and said everything is fine the oss is closed but lm still bleeding up to now. The bleeding is lless then menstruation is painless with no cramps. Is this implantation bleeding please help me I m confused.