PSY 100 Lecture Notes - Lecture 12: Umbilical Cord, Advanced Maternal Age, Placenta

• School: Tunxis Community College
• Department: Psychology
• Course: PSY 100
• Professor: Bourne

Document Summary

Incompatible blood types: incompatibility between the mother"s and father"s blood types poses a risk for prenatal development. Blood types are created by differences in the surface structure of rbcs. Blood groups can be a, b, ab, and o; they can also be rh+ or rh- Environmental hazards: radiation, toxic waste, and other chemical pollutants can endanger the embryo or fetus. Maternal disease & infections: maternal diseases and infections can produce defects in offspring by crossing the placental barrier, or they can cause damage during birth. Rubella (german measles), syphilis, genital herpes, hiv/aids, and diabetes can cause damage to the offspring. Other parental factors: maternal diet and nutrition, being overweight, maternal age, maternal stress, paternal abnormalities in sperm and paternal smoking can cause damage to the child. Maternal diet: children born to malnourished mothers are more likely to be malformed. Overweight mother: before or during pregnancy, being overweight puts the embryo or fetus at risk.