BSCI-1105 Lecture Notes - Lecture 7: Varicocele, In Vitro Fertilisation, Seminiferous Tubule
4 Feb 2020
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Document Summary
Fertility in the u. s: fewer babies being born per woman, changing roles and aspirations for women, social reasons, personal reasons, etc. Infertility after a year of trying and being unsuccessful, this qualifies as infertility: as women get older, fertility declines, three things to get pregnant a sperm, an egg, and a good place for them to get together. Infertility is more common than you might think (1 in 12 couples) The male reproductive system: testes are where sperm in made (seminiferous tubules), collected and stored, and then vaulted out and become part of the ejaculate, ejected into the tube, tail first, head last, new sperm production it takes approx. Infertile population (average 33% have varicocele: work out medications and steroids can suppress sperm and testosterone production (smaller testes) Curing infertility: medications, surgery for anatomic issues. Implant embryos (usually day 3-5: embryo cryopreservation, tanks of liquid nitrogen (tanks thought to last 15-20 years)
