Menstruation cycle
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has discussed various aspects of the menstrual cycle, providing insights into its biology, the phases involved, and how it can affect certain behaviors and physical symptoms:
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The menstrual cycle's primary function is to allow the fertilization of an egg, with hormonal changes guiding this process. The cycle varies in length across women, averaging 28 days but can range from 21 to 35 days. Consistency in cycle length is important, and significant variability may warrant consultation with a healthcare provider 1.
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The first half of the cycle, the follicular phase, is when follicle-stimulating hormone (FSH) triggers the maturation of eggs inside follicles. One egg is eventually selected for potential fertilization while others degenerate 2.
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Hormonal headaches often occur when estrogen and progesterone levels are lowest, such as before menstruation. Dr. Huberman explains that this phenomenon is due to the changes in hormones that affect the vasodilation-vasoconstriction system 3.
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There is evidence that women experience increased libido before ovulation due to spikes in FSH, luteinizing hormone (LH), and androgens like DHEA and testosterone 4. Some women may also experience malaise or sensitivity to caffeine during different phases of their cycle, and these experiences can be highly individual.
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Dr. Huberman also notes that there is no causal relationship between the menstrual cycle and the lunar cycle, despite a common misconception and similar average durations 1.
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Interestingly, studies have found that men rate women's odors as particularly attractive during the pre-ovulatory phase of their menstrual cycle, and women also show a preference for certain male odors and physical symmetry during this phase—effects not present in women using oral contraception 5.
These clips show that the menstrual cycle is a complex interplay of hormones and physiological changes that can also impact certain behaviors, perceptions, and experiences.
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