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Define implantation and explain its importance in human reproduction

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Implantation is the process by which the blastocyst which is an early-stage embryo attaches itself into the endometrium of the uterus. This typically occurs 6-10 days after the fertilization. This step initiates pregnancy by establishing a connection between the embryo and the maternal blood supply.

Implantation allows for the formation of a placenta which provides nutrients, and oxygen to the developing fetus. The placenta also helps in the removal of waste from the fetus. It also acts like a hormone-releasing gland and releases human chorionic gonadotropin hormone which maintains the corpus luteum. It also ensures the continuous production of progesterone which supports the pregnancy.

In addition to this, implantation also modulates the immune response of the mother to prevent the embryo from being rejected.

In short, without a successful implantation pregnancy can not proceed which leads to early pregnancy loss or failure in conception.

Posted by

Divya Sharma

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