Oct 25, 2009

Trial SPM Biology MRSM 2009

http://www.scribd.com/doc/21559976

2 comments:

harithfadillah said...

"Rh incompatibility is a condition that develops when a pregnant woman has Rh-negative blood and the baby in her womb has Rh-positive blood.."

ckgu...ada soalan...klau mother Rh-positive..foetus tu Rh-negative...x jadi apa2 ka??

-harithfadillah 5G-

rozaini said...

First-born infants are often not affected -- unless the mother has had previous miscarriages or abortions, which could have sensitised her system -- as it takes time for the mother to develop antibodies against the foetal blood. However, second children who are also Rh-positive may be harmed