The Immuno-Pathology of the Human Placenta

The human placenta once was thrown after the delivery, found to be a very useful organ though it has very short life. With more and new research the old concept about placenta has changed. Now it is well established that health of growing embryo depends on the health of the placenta. To begin with immunology of neonate also depends on transplacental transport. It is well established that the health of the growing embryo depends on the health of the transplacental transport. Normally, IgG can be transported through placenta however, in Covid-19 infected pregnant woman even IgM, which is much bigger molecule than IgG, can also be transported and are found in the embryo.