[IB Biology SL at GHS: Human Reproduction]
17. What event of the menstrual cycle is occuring due to a brief rise in both LH and FSH at B in the graph below?

(Click picture to see it full sized!)

A) Ovulation

B) A new follicle is stimulated to develop.

C) Repair and initial growth of the uterine lining.

D) Further thickening of the uterine lining in preparation for implantation of the egg.

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Slichter