Describe the hormonal changes and regulation that occurs as a result of fertilization (pregnancy). Specifically outline...

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Medical Sciences

Describe the hormonal changes and regulation that occursas a result of fertilization (pregnancy). Specifically outline therole that Progesterone (5 pts) and hCG (2 pts) play in the creationof an optimal environment for implantation and development of thefetus. Make sure to include the cells/structure that secretes thehormone. There is no need to go beyond the first trimester in yourdescription. Finally describe what cell/structure will take oversecreting hormones (hint provide 2 hormones) after the firsttrimester AND why it needed to take over in the first place (2pts). 1 pts for essay formatting, grammar, spelling.

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The ratio between progestrone and estrogen is very important for implantation and further growth of embryo Progestrone decreases the tone and muscular activity of uterus which helps in retaining blastocyst in the uterine lumen Progestrone It is the key hormone in maintaining pregnancy secreted by luteal cells of corpus luteum intially later by adrenal glands and placenta Functions in pregnancy 1 Action on oviduct promotes oviductal secretions necessary for nourishment of young embryo 2 influence on uterus acts synergisticaly with estrogen to cause endometrial growth it maintain pregnancy by See Answer

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