I am RH Negative partner is positive. I went to the ER do to bleeding. Did an ultrasound at 6 weeks said babies heartbeat was 80 bpm, which is low. Followed up with my doctor and she said she couldn’t see a heartbeat and gave my papers on miscarriages and how to cope. Well from my doctors appointment to now I’ve been taking test and my lines are still so dark. I see my doctor again on 12/2 and I will be 11 weeks. Does the line always go away if you are miscarrying or not always?