NUTR 120 Lecture Notes - Lecture 18: Neural Tube Defect, Leg Before Wicket, Birth Weight
Document Summary
Babies that are born with a weight of < 5 lbs or 2500g. Concern: may develop problems like respiratory (lungs), git infections, iron. Two main types: preterm = baby that is born < 36 weeks. Gestation the time between conception and when the baby is born: usually this take 38 weeks +/- 2 weeks. Insufficient weight gain by the mother: malnourished woman. Caused by: smoking, alcohol, inadequate maternal weight gain. 1st trimester: women are required to take 0 extra kcal. 2nd trimester: women are required to take +340 kcal. 3rd trimester: women are required to take +450 kcal. Rda values are higher for many nutrients, except for: adek (fat-soluble vitamins) requires does not increase during pregnancy as it crosses the placenta, vitamin a should be watched more carefully, ca2+ and p. Rbc # and plasma volume increases to get more oxygen to the fetus. Deficiency in folate leads to ntd"s (neural tube defects)
