PHSI2006 Study Guide - Final Guide: Corpus Luteum, Gonadotropin, Semen Analysis
15 Jan 2019
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Taking the pill- low but significant amount of estrogen the whole time (the same level). You will push down fsh and there"s not enough for the follicles to grow. No fertilisation: negative feedback on the hypothalamus and pituitary, no ovulation, no endometrial preparation www. pbs. org/wgbh/amex/pill/ sfeature/sf_cycle. swf. Sperm (will not be looking at anatomy of sperm- only endocrinology- lh and fsh): sperm count less than 1 million= clinically infertile, continual production of sperm every day. 100 cells churns out massive amounts of this to go through mothers circulation to ovary, coat the receptors on ovary/corpus luteum and make it continue to secrete progesterone which supports the pregnancy. And that process we term the resue: rescue of the corpus luteum: (above, the luteoplacental shift (by 6 weeks): the embryo is burrowing into the endometrium and the placenta is starting to grow. First few weeks- need the corpus luteum there.
