Mod 3.4 Female Sexual Response Cycle

Question 1

How might libido change during ovulation?

Answer 1

Ovulation may cause a spontaneous peak in libido

Question 2

Why does ovulation cause a peak in libido?

Answer 2

Related to increased androgen (from theca cells because of LH)

Question 3

What are four phases of the female sexual response cycle?

Answer 3

1. Excitement
   
   • Vaginal lubrication appears
   • Uterus begins to lift away from bladder
   • Clitoris enlarges
   • Labia swell
2. Plateau
   
   • Uterine tenting (uterus elevates)
   • Vagina expands (tenting)
   • Orgasmic platform - signals orgasm is imminent
   • Change in labia color
3. Orgasm
   
   • Contractions in uterus (because of oxytocin)
   • Rhythmic contractions in orgasmic platform
   • Anal sphincter contracts
4. Resolution
   
   • Uterus lowers
   • Seminal pool
   • Vagina returns to normal
   • Orgasmic platform disappears

Question 4

What are the 3 types of female orgasm?

Answer 4

1. Clitoral Orgasm
   
   • Arises from clitoral stimulation
2. Vaginal orgasm
   
   • Arises from stimulation of vaginal wall
3. Uterine/ “A-Frame” orgasm
   
   • Stimulation of ventral wall of the vagina
     
     • Grafenberg “G” spot
       
       • Intense contraction of uterus and pubococcygeus muscles