Q. Can cold weather affect a menstrual cycle?
Doctor Answer is medically reviewed by SecondMedic medical review team.
For many women, winter can mean more than just bundling up in extra layers of clothing. For some, the colder months also bring with them a change in their menstrual cycle. Although the average menstrual cycle is 28 days long, some women find that their cycles shorten or lengthen in the winter. There are a few possible explanations for this phenomenon. One theory is that the body's exposure to cold weather may trigger hormonal changes that affect the length of the menstrual cycle. another possibility is that the change in seasonal light exposure may disrupt the body's natural circadian rhythms, leading to changes in hormone levels and menstruation. However, there is currently no scientific evidence to support either of these theories. So, while cold weather may indeed affect some women's menstrual cycles, the exact mechanism remains a mystery.
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