I have always known i have O negative blood type but never thought it would be a problem.
My doc tells me that if i bleed during the pregnancy i need to get an injection at the hospital. I have not bled.

Anyway, i started to read about it on the net. Something about if my blood mixes with the babies, it can harm the baby because my body will make antibodies against it.

Has anyone else had this blood type and what is your experience