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

What are the phases of the menstrual cycle? - Quora

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

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What are the phases of the menstrual cycle? - Quora

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What is a menstrual cycle in simple scientific terms? - Quora

Is it possible to get pregnant 10 days before menstruation? - Quora

What is the luteal stage of the menstrual cycle? - Quora