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couple in their 40's is seeking advice on contraceptive strategies and…

- - - - epiddiymis
        
        Ductus Vas Deferens
        
        Urethra
        
        Seminal vesicles
        
        Ejaculatory duct
        
        Prostate gland
        
        2 more items...
        
        receives seminal fluid and prostate secretions
        
        transport fluid for sperm
        
        Carries urine and semen
        
        carries sperm from epididymis to urethra
        
        coiled tubule outside each testes, sperm become mature and motile here
      - sack that holds testes
- - - - aprox 35-50 mL lost
      - arteries rupture causing blood tissue to shed
      - functional layer of endometrium deteriorates
      - spiral arteries constrict
  - - - endometrial glands enlarge causing increase in secretions
      - arteries elongated-increases vascularization
      - these changes caused by estrogen and progesterone
- - - - Low estrogen and progesterone levels
      - GnRH (from hypothalmus) stimulates release of FSH + LH (from anterior pituitary)
      - FSH + LH stimulate development of ovarian follicles
      - Developing follicles secrete estrogen
      - Initially: low estrogen levels inhibit further FSH + LH release (negative feedback)
      - high estrogen levels stimulate FSH + LH release (positive feedback)
      - "LH Surge" causes ovulation of egg from Graffian follicle on Day 14
  - - - Corpus luteum forms (due to high LH) & functions as an endocrine gland => secretes estrogen + progesterone
      - Estrogen and progesterone feedback and cause FSH + LH levels to fall
      - => No further follicle development
      - => If egg not fertilized, corpus luteum starts to degenerate (because of low LH)