Why is the luteal phase of the menstrual cycle always fixed to 14 days? - Quora

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What are the phases of the menstrual cycle? - Quora

Why is the luteal phase of the menstrual cycle always fixed to 14

Why is the luteal phase of the menstrual cycle always fixed to 14

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Why is the luteal phase of the menstrual cycle always fixed to 14

What happens in the menstrual phase of the menstrual cycle? - Quora

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Is there a scientific explanation for the length (28 days on