NUTR 2050 Lecture Notes - Lecture 7: Extracellular Fluid, Insulin Resistance, Gestational Age
26 Feb 2018
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Key terms: gestational age, assessed from date of conception, average pregnancy is 38 weeks, menstrual, assessed form onset of last menstrual period (lmp) Two phases: maternal anabolic ( week 1-20, focus is building mothers capacity to feed fetus, approximately 10% of fetal growth occurs, maternal catabolic (week 20-40, stored energy and nutrients to fetus, approximately 90% of getup growth occurs. Maternal physiology: changes in maternal body composition and functions occur in specific sequence. Fat metabolism: fat sores, accumulate in first half of pregnancy (anabolic, enchanted fat mobilization in last half (catabolic, blood lipid levels. What is this fat used for: mother, reliance on fat stores for energy - gluconeogensis, cholesterol in blood stream precursor for steroid hormones, placenta, steroid hormone synthesis, fetus, nerve and cell. The placenta: disk shaped organ of nutrient gas exchange between mom and fetus, functions, hormone and enzyme production, nutrient and gas exchange, removal of waste from fetus (i. e. alcohol)
