incomplete abortion

i was 2 months pregnant when i started bleeding.i went to a nearest clinic i told them about my abdominal pain and that ive been bleeding .the nurse told me that i shud not worry as it normal to have spots of blood for the first trimester.she even told me that i shud not come back if i start to bleed and if it increses.i went back home and the bleeding came and go .na after that it stopped.after a 8 days i atarted to have terreble pains on my abdominal and was bleeding.i did not do anything but i was worried and the following day i went to see a doctor and examined me and told me that i had imcomplete abortion he reffered me to the hospital.when i got there they checked me and gave me some tablets.i stayed there fof the whole day waiting for the tests.when the tests came we the baby was fine and they admitted me to monitor me.the following day i started to beed again and they checked me and tld me that i lost the baby.im misserrable i dnt know what do and onoher thing is thst that i want to know what is imcoplete abortion