CH%2011%20-%20lecture%20notes%20with%20blanks0

CH%2011%20-%20lecture%20notes%20with%20blanks0 - Chapter11...

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The Choices and Challenges of Childbearing Chapter 11 Childbearing Trends 0. _________________ – the number of children per 1000 women per year 1. _________________ Rate – average number of live births per woman, in  a given population, per year 2. _________________ level – a fertility rate of 2.1  American Mothers 3. Teens 0. 2004 – birthrates for _________________ reached an historic  _______________  1. Decrease is across all groups with rate of pregnancy among teens  decreasing by as much as _________________ % 4. Unmarried Women –  5. _________________ million unmarried women gave birth in 2004 6. Of all births in U.S., _________________ were to unmarried women in  2004 7. Women in their 20s 8. 20-24 year olds birth rate _________________  9. 25 – 29 year olds birth rate was the _________________ of any group 10. Women in their 20s are in the _________________ of their childbearing  years 11. Women in their 30s and 40s 12. Birthrates _________________ 13. Reflects the cultural trend of _________________  childbearing to  establish careers Reproduction 14. Begins with _________________ 2. During intercourse millions of sperm are ejaculated into the vagina 3. When sperm reach the ovum, they connect to its outer layer 4. _________________ occurs, allowing the sperm to penetrate the  egg 5. The outer layer of the egg hardens and makes it impossible for the  sperm to escape 1
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Three Phases 6. _________________  7. Begins with the fusion of sperm and egg 8. Cell duplication occurs- genetic information duplicates itself 9. Cell differentiation – zygote has divided into 8 cells, cells take on  genetically determined traits and forms 10. _________________ forms and implants in the uterus Infertility-when conception fails 15. _________________ – absolute inability to reproduce 16. _________________ – inability to conceive after a year of trying Women and Infertility 17. Problems with _________________ are responsible for most of female  infertility 18. May be due to  11. hormonal imbalances 12. Poor _________________ 13. Intense _________________ 14. Pituitary gland tumors (rare) Other Causes of Infertility 19. _________________ Disease (PID) 15. Caused by sexually transmitted infections 16. Leading cause of infertility in young women 17. _________________  18. Uterine tissue in other parts of the body- ovaries and fallopian tubes 19. Prevents fertilized ovum from embedding in uterine lining Men and Infertility 20. _________________ of fertility difficulties due to male reproductive  systems 21. Two primary forms of infertility 22. _________________ – no sperm cells are produced 23. _________________ – few sperm cells are produced
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CH%2011%20-%20lecture%20notes%20with%20blanks0 - Chapter11...

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