Psychology 2075 Lecture 4: nov21 conception, pregnancy and childbirth.docx

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: Jacob Fisher

Document Summary

Chapter 6: conception, pregnancy and childbirth: nontraditional families 2 men or 2 women (surrogate with donor eggs); more childbirths vs. traditional families, lower abortion rates, 2002 2006 abortion rates are declining across all age ranges and population is increasing, delayed childbearing childbearing age is increasing in canada; jumping for ages 25 29; slowing increasing for all other ages. Inseminated 14 days before ovulation: egg ovulates (released from ovary into body cavity), picked up by fimbriae, transported via cilia into fallopian tube. Sperm: one of the tiniest cells in the body, head, nucleus includes dna, acrosome chemical reservoir in head of sperm, midpiece, mitochondria tiny structures where chemical reactions occur to provide energy; energy used when tail is moved back and forth, tail, flagellation lashing action propels sperm forward, head is 5 micrometers long and whole body is 60 micrometers long.