NUTR 120 Lecture Notes - Lecture 17: Thrifty Phenotype, Fetal Alcohol Spectrum Disorder, Birth Weight
Document Summary
Dohad: central importance: health of mother before pregnancy. Adequate maternal body stores (fe, folate, others) Avoidance of destructive lifestyle choices: the first 1000 days: 9 months: length of pregnancy is known as gestation. The 3 most important: maternal weight gain, maternal nutritional status prior to and during pregnancy (fe, folate, maternal body size entering pregnancy. <17 (could cause anemia) and >35 (increased risk for miscarriage and birth defects: number and frequency of pregnancies. E. g. >3 children in 3 years exhausts body. Recommended to have 2 years between each baby: obstetric history, smoking. #1 cause of low birth weight in babies. Linked with sids: sudden infant death syndrome. Nicotine causes less oxygen and nutrients to transfer to the baby during pregnancy. Co also causes less oxygen transfer: alcohol. 1st trimester: most vulnerable stage, critical period. 2nd and 3rd trimester: cns/emotional cognitive effects: poorly planned vegetarian diets. Vegan/restrictive diet b12 is only found in animal products.
