welcome back to my channel medical she's perfection Alice and welcome to the series on hematology in the previous video we have discussed our agent compatibility today let's have a nice mnemonic as you know in Rh incompatibility mommy is Rh negative and the baby is Rh positive now during delivery some of the blood that has Rh positive blood from the baby will get mixed with mommy's bloodless or h- mommy is becoming sensitized during subsequent pregnancies the anti Rh positive antibodies will go from mommy to the baby through the placenta and they will destroy the fetal red blood cell leading to him also sometimes severe and fatal where we get to the mnemonic let's answer the question of the previous video the question was you have told us that the first newborn will be fine okay now here is the first new born and has erythroblastosis fetalis what did go wrong what's the problem how can this be it's very simple Fito maternal hemorrhage let's say that this mother although carrying her first baby has had our H positive blood transfusion before she is already sensitized and she's going to destroy this baby if the baby is Rh positive let's say that mommy had ruptured ectopic pregnancy before same thing termination same thing if she has this rare condition same thing to the answer of this question is any of these there's your nice mnemonic how to remember that Mommy is Rh negative and their baby is Rh positive because again during your exam you don't have enough time okay so let's say mommy is Rh negative she's married to a man who is Rh positive she doesn't like her husband because he is so positive and she is so moody right now so don't talk to her okay baby is telling mommy I'm positive like my dad like father like son also law like my brother which means he's not the first baby okay he had a brother this may be the second or the third pregnancy but it's not the first smart huh okay mommy replies and done so moody I'm so negative right now I hate you I hate your daddy so take this anti D agglutinin and it will hurt that's it our age in compatibility him all exes of the newborn also known as erythroblastosis fetalis get to click the red subscribe button if you like this video give it a like follow me on Facebook Twitter Instagram and if you'd like to support this channel through patreon I'll be very grateful thank you so much and we'll see you soon