00:01
Question, we have been asked that we have been given an version and a reason.
00:05
When we need to determine if they're true, that reasoning is the correct explanation of the version.
00:09
So here the abortion says that if this erythalostasis fetalase is not observed during first pregnancy, although the fetus is average positive and mother is, rh negative.
00:19
And the reason says that rh and deter does not get exposed to rh negative blood of mother in first pregnancy as the two blood cells were well subjected by the lassenta.
00:28
Now erythroglastosis fetal is this is basically it is in condition of rh incompatibility and it is mostly seen in the fetus in the fetus which is rh positive that is conceived by an rh negative mother so when an rh negative mother conceived an rh positive fetus so we know that in the rh negative mother there is no rh factor present on the surface of rbces, right? so when the blood of this mother will come into contact, into the contact of the fetal blood, what will happen? the mother's blood will start inducing the antibodies against the rh antigen.
01:18
And what to these antibodies will start attacking the fetal rbcs, right? but what happens during the first pregnancy, during first pregnancy, there is a very, there is a very very very very very...