ANSC 3323 Lecture Notes - Lecture 5: Sleep Disorder, Menopause, Infertility
Document Summary
Milestones in human reproductive age: women typically have their first period between ages 9 and 15. Menstrual cycles at this point will be variable/irregular. Not ideal for carrying pregnancies to term: ages 16-30. Menstrual cycles regular, but fertility is progressively declining past about age 30: the 40s for women (begins the menopausal transition) More than 1 week of variation between lengths of periods: late 40s, early 50s. Bone loss: 25 year window from ages 16-40. Miscarriage prevention: 1. 5 million married women aged 15-44 are infertile. 2. 5: 1. 6% of infants come from art per year in the us. Ivf (in vitro fertilization: involves extracting a woman"s eggs, fertilizing the eggs in the lab, and then transferring resultant embryos into woman"s uterus through the cervix, for some ivf procedures, fertilization can involve icsi. Intracytoplasmic sperm injection (single sperm injected into a woman"s oocyte: more than 99%
