HLSC 2P50 Lecture Notes - Lecture 11: Combined Oral Contraceptive Pill, Semen Analysis, Fertility Medication
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Not a clear relation between sex & pregnancy: sex does not always lead to pregnancy, delayed effects. Ovulation will occur at about day 14. Wo(cid:373)e(cid:374)"s heredit(cid:455) (cid:373)essage (cid:894)her ge(cid:374)eti(cid:272) posterit(cid:455) sending her genes to her child) Contains fat deposits, protein, and fluid containing nutrients. There"s (cid:1006)(cid:1007) (cid:272)hro(cid:373)oso(cid:373)es (cid:894)ge(cid:374)es(cid:895) i(cid:374) the (cid:374)u(cid:272)leus of the (cid:272)ell. Starts journey to uterus: first into body cavity, then fallopian tube (via fimbriae, moved by cilia. If the egg is not fertilized, it disintegrates about 48 hours after ovulation. Acrosome (chemical reservoir that allows for facilitation for going through the outer layer of the egg) 1 500 000 000 are released (cid:271)e(cid:272)ause . 50 2 000 or so reach the egg. Enzyme hyalurundase helps to break down the outer layer of the egg. Breaks do(cid:449)(cid:374) the egg"s surfa(cid:272)e (cid:894)zo(cid:374)a pellu(cid:272)ida(cid:895) 1 sperm is able to penetrate conception. Sper(cid:373) (cid:272)a(cid:374) li(cid:448)e i(cid:374)side a (cid:449)o(cid:373)a(cid:374)"s (cid:271)od(cid:455) for as lo(cid:374)g as 5 da(cid:455)s.