/oss/taxonomy/term/2390/all en /oss/article/did-you-know-health/menstrual-synchrony <p>The idea that periods can synchronize was first investigated in a <a href="https://www.nature.com/nature/journal/v229/n5282/pdf/229244a0.pdf">1970’s paper by Martha McClintock</a>, who examined the menstrual cycles of women living together in dorms. McClintock found that after 7 months of living together, women’s periods had gone from an average of 6.5 days apart to 4.6 days apart, leading to the idea that proximity caused the periods of these women to synchronize due to some chemical signal.</p> Sat, 20 May 2017 23:02:25 +0000 Ada McVean B.Sc. 2464 at /oss