Psychology 2075 Study Guide - Chorionic Villus Sampling, Postpartum Depression, Prenatal Diagnosis

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: Corey Isaacs

Document Summary

Ectoderm forms the entire nervous system and skin. Endoderm differentiates into the digestive and respiratory systems. Important feature is that is serves as a site for the exchange of substances between the woman"s blood and the fetus"s blood the two circulatory systems are completely separated, only certain substances can pass through. Human chorionic gonadotropin (hcg) a hormone secreted by the placenta, detected in pregnancy tests. Umbilical cord tube that connects the fetus to the placenta. Formed during the fifth week of embryonic development. Amniotic fluid the watery fluid surrounding a developing fetus in the uterus. Fetal development: major milestones of fetal development. External body parts develop eyes, ears, arms, hands, fingers, legs, feet and toes. Fetus is sensitive to light and sound in utero. Fat deposits form gains chubby baby appearance. Stages of pregnancy: first trimester first 12 weeks. Symptoms of pregnancy missed period, increase in basal body temperature for a long period of time.