Hi looking for support.. 6 wks 5d. Woke up with spotting pinkish brown discharge with a pea size amount of bright red…

Hi looking for support.. 6 wks 5d. Woke up with spotting pinkish brown discharge with a pea size amount of bright red blood. Went to ER had ultrasounds and bloodtest dr could only see sac no baby. Hcg was at 41k but dr has me worried by saying could be mc or abnormal pregnancy because levels are high..suppose to recheck levels monday..This is my first pregnancy. Any piece of mind would help. Thanks