rhesus Flashcards
what happens in rhesus haemolytic disease
Rh -ve delivers Rh +ve, leak of fetal red cells into maternal circulation- anti D IgG antibodies- isoimmunisation. in later pregnancies these can cross placenta
why might a first pregnancy have rhesus haemolytic
threatened miscarriage, APH, trauma, amniocentesis, CVS, ECV
when should you trst for D antibodies in all Rh -ve mothers
booking, 28 weeks, 34 weeks
when should you not give anti D
if already sensitised
what test can you do
Kleihauer test- find amount fetal Hb being transferred from fetus to mother
when should anti D be given with regards to babys blood group
if not known
when should anti D be given
termination, evacuation hydatiform mole, evacuation, complete miscarriage, threatened >12w, ectopics
when should anti D be given
500u at 28 and 34 weeks rh -ve
