FNN 111 Chapter Notes - Chapter 14-15: Tablespoon, Menarche, Extrusion

• School: Ryerson University
• Department: Nutrition and Food
• Course: FNN 111
• Professor: Sharon Wong

Document Summary

Adequate nutrition is necessary for tissue formation, neurological development, bone growth, modeling, and remodelling. Avoiding teratogens (substances which cause birth defects) including alcohol and illegal drugs. Nutrient deficiency problems can develop before a mother is even pregnant, for this reason it is important to begin an adequate nutrition plan when planning to get pregnant. Inadequate consumption of folic acid can result in brain and spinal cord defects. It is recommended that a 3 months before conceiving a women should take 400ug of folic acid daily. Man"s nutrition prior to pregnancy is important because malnutrition contributes to abnormalities in sperm. Sperm number and motility are limited by alcohol consumption, certain prescription and illegal drugs. Infections accompanied by high fever can destroy a sperm. The embryonic stage lasts from day 15 to week eight. After eight weeks (2 months) the embryo is called a fetus. The fertilized egg, called a zygote, travels through the fallopian tube and implants on the uterine wall.