Can Duphaston And Proluton Cause Bleeding During Pregnancy?

my iui was on 16th october,upt was positive on 3rd november.my doctr askd me to take proluton inj wekkly once,and lmwx subcutaneously daily,along wth the medicines i already had,metformin5oomg thrice daily,aspirin ,duphaston and folinine.aftr 5 days,i got bleeding,on 9th,for a while.doctr askd me to stop lmwx injection(low molecular weight heparin).i had bleeding littl on 10th too.,and littl brownish discharg on 13th,14th,15th,very littl.so,on 4th.,11th and 18th november i tuk proluton injection.i hv been asked for scan on 25th november i am worried,if tht bleeding was miscarriage.i hvnt checkd hcg yet.3 months befor i had a miscarrige aftr iui,and tht was the first time i got pregnant.before that v had attempted ivf only.my husband is azzoospermic.so,i expect lots in this pregnancy.i am not tht sick like pregnant women,but some times and yesterday,i feel nausea ,but dint vomit.is it pregnancy or the side effcts of duphaston and proluton? doctr pls guide me..