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

Could someone knowledgeable explain the entire menstrual cycle

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

How does one calculate the different stages of the menstrual cycle

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

Could someone knowledgeable explain the entire menstrual cycle

How does one calculate the different stages of the menstrual cycle