NUTR 2050 Lecture Notes - Lecture 6: Weight Loss, Amenorrhoea, Leptin
Document Summary
Commonly taken to mean ability to bear children. From latin fecundus: i. e. having testes, ovaries etc. Infecundity: biological inability to bear children after 1 year. Subfertility: reduced level of fertility or early pregnancy losses. ~44% of these will conceive with no intervention in 3 years. Healthy couples have a 20-25% chance of diagnosed pregnancy within a single menstrual cycle. Puberty: period in which humans become biologically capable of reproduction. Ova (singular: ovum): female reproductive cells that are produced & stored in the ovaries. Follicle: cellular structure in ovary where an ovum matures, later the. Establishes capacity for reproduction through hormonal changes. Occurs over the course of 3-5 years. Reproductive systems begin to develop within the first months after conception. Continue to grow & develop through puberty. Born with a life-time supply of approximately 7 million immature ova. Stimulates the anterior pituitary gland to release fsh and lh. Stimulates maturation of ovum (& sperm in men)