PSYB20H3 Chapter 2: Chapter 2
Document Summary
Fertilization/conception union of sperm and ovum to produce a zygote. Ovulation the primer to conception: follicular phase ovarian follicles mature estrogen levels peak towards the end. Occurs before ovulation: controlled by the hypothalamus. Women perform urine tests for fsh to realize when they are ovulating: triggered by a spike in fsh, period starts day 1, ovulation starts around day 14. At birth, about 2 million ova in ovaries. Ovum leaves ovary, swept through fallopian tubes to uterus by cilia. Sperm produced in testicles, in vagina, they swim through cervix and into fallopian tubes. Infertility inability to conceive after 12 months of trying. Men low sperm count, which is why so many sperm are ejaculated: could have genetic basis. Women failure to produce eggs, normal eggs, mucus in the cervix, disease of uterine lining: after age 30, deterioration of quality of ova, most common cause is blockage of fallopian tubes. Assisted reproductive technologies methods used to achieve conception through artificial means.
