The maternal compartment of the placenta is the part of the placenta that comes from the endometrium, also known as the decidua. The maternal compartment includes the decidua basalis, which is the part of the decidua that's located deep at the implantation site. The maternal blood supply is located in the decidua basalis.

The placenta is a highly specialized tissue that nourishes the fetus and protects it from injury. It's made up of the uterine epithelium, which is derived from the mother, and the placenta, which is derived from the fetus. The placenta acts as a barrier that allows for the exchange of nutrients and other substances between the mother and the fetus.
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LL Publication:

" Leronlimab-PLS maintained higher levels within the maternal compartment while also reaching higher mAb levels in the fetus and newborn circulation."

The LL-PLS statement dosen't do their scientific work justice.

We are in a race among ourselves.

Things no other mAb comes even close to accomplishing.

Safely @ that.

Wow!