Hi. My Girlfriend Once Told Me Sshe Was Sexually Harrassed

Hi. My girlfriend once told me sshe was sexually harrassed when she was 9,she can't recall if the guy penetrated her or she bleeded either. Now she is 20,For the past eight months I have been trying to penetrate her but all my exercise was futile,at the begining I couldnt get my little finger through her vagina,I kept trying for months till my finger could go through with the help of lube,but it still took time. Later on I could get a finger in but when I dip two fingers in she gets to cry. Yesterday we had our first sex together,and as I penetrated her she started to bleed and asked me to come out cos she couldnt stand the pain. I tried again and she still kept bleeding then I had to stop. She called me when she got home an told me her vagina aches and she is feeling very uncomfortable and she said she has never felt so uncomfortable. My question is,in reference to what happened when she was 9 and me having sex with her now. Does it mean I was the one that disvirgined her or the other guy that had sex with her when she was 9 cos I really wanna know if its me or not