NUT-2202 Lecture Notes - Lecture 19: Neural Tube Defect, Amniotic Sac, Umbilical Cord
Document Summary
Male fertility is affected by alcohol use, and smoking cigarettes and marijuana. 1st trimester- 12 weeks, 2nd trimester- 12-26 weeks, 3rd trimester- 27 weeks to. Mothers nutrition before pregnancy determines whether her uterus will be able to. 2-12 weeks, critical period for central nervous system, heart, eyes, legs, arms, 12 weeks on, critical period for ears, palate, genitals. 12 weeks circulatory and urinary systems work. Birth weight is the #1 predictor of infant health. Acceptable weight gain patterns in lbs (for normal weight, bmi of 19. 8 to 26) is 25 to 35. Low inake can result in low birth weight (less than 5. 5 lbs) Amniotic sac- surrounds and cradles the fetus. Umbilical cord- connects the baby and the placenta. Pregnancy birth support the growth of the baby and placenta teeth lbs stores 8. 5, blood 3. 0, other fluid, 6. 1 is a total of 33lbs) Weight gain (breasts 1. 1, fetus 8. 3, placenta 1. 6, amniotic fluid 2. 0, uterus 2. 4, fat.
