Hemoglobin issues..

Anna
Is anyone else suffering from hemoglobin issues during pregnancy?
My hemoglobin level is at 110, it's lower than what it was when I left the hospital after a blood transfusion in August and my drs now telling me I need to go and take 300mg a day because my prenatal only has 30mg and that's why I'm so cold and slightly more tired than I should be. I've always had issues with my iron though, I went on BCP when I was 14 to control the bleeding, and I still had to take iron pills. Now I have to do it again.