PSYC-2005EL Lecture Notes - Lecture 5: Female Sperm, Cell Potency, Y Chromosome
18 Oct 2016
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Document Summary
Until 1969, contraception was illegal as stated in the criminal code. Historical contraception consisted of drinking mercury, stuffing the vagina with cow dung (cid:1006)/(cid:1007) (cid:272)hildre(cid:374) today as still (cid:272)o(cid:374)sidered (cid:862)u(cid:374)pla(cid:374)(cid:374)ed(cid:863) 90% of all families will have at least one child. 95% of all women will become pregnant during their life. 33. 33% of sexually active couples will become pregnant within 3 months: 50% after 6 months, 85% after one year. 1 in 5 couples will experience fertility issues: 60% female/40% male, could be couple specific. Gynosperm: carrier of the x chromosome (fat, slow, fewer in numbers, live longer) Androsperm: carrier of the y chromosome (fast, sleek, weak, die quicker) Theoretically, timing of conception with ovulation can affect the gender of the baby. To achieve a male baby, the egg should be ready for immediate fertilization; where a female sperm will survive longer; waiting for an egg to be ready.
