MCAT Question of the Day
    •

    Q:

    		 In humans, the menstrual cycle has three phases: follicular (prior to egg release), ovulatory (egg release), and luteal (after the egg is released). Which of the following is the cause behind luteinizing hormone (LH) secretion during the the menstrual cycle?

    		 

    A

    		 The hormone estrogen during the luteal phase of the cycle

    B

    		 The hormone estrogen during the follicular phase of the cycle

    C

    		 The hormone progesterone during the follicular phase of the cycle

    D

    		 The hormone testosterone during the luteal phase of the cycle



    Reproductive System | Hormonal Regulation |
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