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Married couple in their 40's come in for contraceptive advice. Female…

- - - - due to nondisjunction on oocyte/sperm
        
        due to mother's age
- - - - Reaches Metaphase II
        
        If fertilized, completes meiosis
    - - Finishes Meiosis I
        
        Forming 2 cells
  - - - corpus luteum
        
        secretes progesterone & estrogen
        
        Temporary endocrine gland
      - corpus luteum regression
        
        drops secretion of progesterone & estogen
        
        Menstration
        
        menses
- - - - uterus removed
    - - cutting uterine tubes
        
        tying off ends
    - - Ductus deferen cut
        
        segment removed
        
        ends tied
  - - - menopause
        
        At risk for child w/ Down syndrome
    - - high failure rate
- - - - Progesterone
  - - - ovary estrogen secretion
  - - - & uterine gland development
- - - - Secondary spermatocyte
      - spermatid
      - Primary spermatocyte