Which of the following is not a function of the placenta?

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Delivers oxygen and nutrients to the foetus

Produces colostrum rich in antibodies

Removes carbon dioxide and wastes from the foetal blood

Produces hormones to maintain the pregnancy

answer is D.

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Detailed Solution

Colostrum is produced by the mammary glands of the mother. It is rich in antibodies, especially IgA.
The placenta plays a crucial role in the development of the foetus during pregnancy. It is attached to the uterus of the mother and is connected to the foetus through the umbilical cord. The placenta facilitates the delivery of oxygen and nutrients to the foetus. It also facilitates the removal of carbon dioxide and waste products from the foetus. It also acts as an endocrine tissue and produces several hormones like hCG, hPL, oestrogen, progesterone, etc., that are important for maintaining pregnancy and supporting the growth and development of the foetus. The placenta also protects the foetus from the mother's immune system.

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