| 1. | Add morals about menstruation and masturbation and what have you got?
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| 2. | Women's progesterone levels rise after ovulation and before menstruation.
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| 3. | Early menstruation and late menopause are well-known risk factors.
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| 4. | Yes, Virginia, there really is a Museum of Menstruation.
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| 5. | Women cannot enter the church after sexual intercourse or during menstruation.
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| 6. | For the first couple of years, menstruation may be irregular.
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| 7. | She told the attendant she had a heavier than usual menstruation,
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| 8. | If menstruation has not resumed, fertility is low during lactation.
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| 9. | The menstruation huts were built close to these bodies of water.
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| 10. | Concentration also increases in the urine of female athletes during menstruation.
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