HSS 2342 Chapter Notes - Chapter 16: Neural Tube Defect, Intrauterine Growth Restriction, Iron-Deficiency Anemia
17 Apr 2017
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Chap 16 life cycle nutrition: pregnancy & lactation. Nutrition affect fertility significantly for both men & women. Keeping healthy body weight, choose adequate balanced diet, physically active, receive regular medical care, manage chronic conditions avoid harmful influences smoking, alcohol, drugs, env. All requirements taken out from mother"s body as first priority. Placenta & associated structures: placental villi absorb nutrients without maternal & fetal blood does not mix with mother"s blood. The organ systems develop very rapidly after conception **critical point for having healthy nutrition. Within days of pregnancy, placenta, amniotic sac, & umbilical cord develops. Placenta for transfer of maternal oxygen & nutrients to the fetus & the removal of fetal wastes to mom. Performs all the respiratory, absorptive, & excretory functions for the fetus until birth. Produces an array of hormones that keep pregnancy & get the mom"s body ready for lactation. Fetal growth & development: zygote embryo fetus newborn infant.
