During which stage of the ovarian cycle will LH spike?Multiple Choiceovulationfollicular phaseluteal phasesecretory phaseproliferative phase
Question
During which stage of the ovarian cycle will LH spike?
- Multiple Choice
- ovulation
- follicular phase
- luteal phase
- secretory phase
- proliferative phase
Solution
The spike in LH (luteinizing hormone) typically occurs during ovulation.
Explanation:
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Ovarian Cycle Overview: The ovarian cycle consists of several stages, including the follicular phase, ovulation, and the luteal phase.
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Follicular Phase: This phase precedes ovulation and is characterized by the development of ovarian follicles and increasing estrogen levels.
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Ovulation: Approximately midway through the menstrual cycle, there is a surge in LH secretion, which triggers the release of an egg from the ovary.
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Luteal Phase: Following ovulation, the luteal phase occurs where the corpus luteum forms and secretes progesterone.
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Other Phases: The secretory and proliferative phases relate more to the uterine cycle rather than the ovarian cycle.
Final Answer:
The LH spike occurs during ovulation.
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