NFSC 360 Study Guide - Midterm Guide: Follicular Phase, Preterm Birth, Corpus Luteum

• School: Chico State University
• Department: Nutrition and Food Science
• Course: NFSC 360
• Professor: Julie Holland

Document Summary

Define the following terms: fertility, fecundity, infertility, infecundity, miscarriage. *miscarriage: loss of conceptus in first 20 weeks. Women over 35 years old more likely to have disorders related to chromosomal defects than younger women. Ongoing rather than cyclic, production begins during puberty, 80 days for development. *lh and fsh most important during follicular phase. Lh: stimulates secretion of estrogen, progesterone and testosterone and growth of corpus luteum. *estrogen: stimulates release of gnrh in follicular phase and inhibits in luteal. Progesterone: prepares uterus for fertilized ovum and to maintain pregnancy. Testosterone: stimulates maturation of male sex organs and sperm. > disruptions in fertility: adverse nutritional exposure, contraceptive use, severe stress, infection, tubal damage or other structural damage, chromosomal damage. 40% couples will conceive within 3 years without help of technology. *subfertility: reduced level of fertility characterized by delayed time to conception.