Hi,yesterday I have done ultrasound,they found perisac bleed of 24x 8 mm.HR-135 BPM.Crl-8.6 mm ,6 weeks 6 days .is anything to worry.I m taking susten,duphasten,L-arginine(ARG-9).I already had miscarriage eRlier at 8-9 weeks.dat time I was not taking medicines..Now Dr told to take L-Arginine thrice a day.