HDFS 2950 Lecture Notes - Lecture 4: Prenatal Development, Blastocyst, Placenta
20 Sep 2016
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Doing something your parents like; playing soccer because your parents like soccer. When you as the individual decide you like something that your parents wanted you to try. Prenatal tobacco exposure influences a chromosome 5 (dd) genotype. In animal research, tobacco smoke stimulates the dd genotype to release chemicals that promote impulsivity and over-activity. In western nations, having children is a matter of individual choice. 90% of u. s. adults have or plan to have children depending on: Average number of children has declined in western nations since 1960. Central nervous system, internal organs, muscles, and skeleton begin to form. Week 9 to the end of pregnancy. Fetus reaches age of viability (between 22 and 26 weeks) Rapid gain in neural connectivity and organization continue. Any environmental agent that causes damage during the prenatal period. Cocaine, heroin, and methadone are all linked to a variety of severe problems. Marijuana is associated with poor academic achievement, impulsivity, depression.
