Menstrual Synchrony Essays -- Biology Essays Research Papers

catamenial SynchronyGenerations of women hold in find it you and your sister, or your roommate, or lover, or mom, get your periods at the self resembling(prenominal) time. It doesnt evermore happen, but it catches the attention when it does. Female rats living in the aforementioned(prenominal) ambiance space ovulate at the comparable time. Menstruation in monkeys synchronizes with the in effect(p) moon (7). So is it tout ensemble in our heads, or is the same form present in humans?The clearest argument against the existence of catamenial synchronism is that since the length of the menstrual rack varies from person to person (2), two women with divers(prenominal) pass lengths will never synchronize. They may menstruate at the same time, but the next month they will be a small(a) different, the next month more different, and so on. By this argument, synchronising is precisely a myth.I can non believe this argument, since it assumes that menstruation can be graphed and examine exchangeable a sine wave. Human bodies rarely hang to abruptly timed schedules. Many women have irregular periods, and the regularity of the menstrual cycle changes at different stages of life (3). So if a charr with a cycle of 25 old age and another with cycle of 28 days live unitedly, they might both shift to a cycle of 26 or 27 days. In this way, synchronization would still be quite an possible. So if this phenomenon does exist, what explanation can there be for it? hotshot theory is that lunar cycles may have some connection to the pattern. At prototypal this makes some sense, since both cycles happen about thirteen propagation each year. A study on the Dogon people of Mali found that although they had no electricity and spent most nights outdoors, thus being as potential as anyone to be affected by the light of the moon, menstrual cycles among the Dogon di... ...is this but something women compulsion to believe because it would be cool and bring us imme diate together? Also, according to McClintock, some women answered strongly to other womens pheromones, while others did not respond at all (6). Does this mean that it is not strictly separate air but leader/follower behavior,with some womens cycles setting the arch for the others? If so, does this chemical substance leadership correlate to any kind of social behaviors, like alpha females among wolves? My conclusion can only be that despite all those sex-ed videos from seventh grade, menstruation is still awfully confusing.Internet Sources1) http//www.moltx.org/bloodbread.html2) http//www.moltx.org/noin.html3) http//www.moltx.org/hume.html4) http//www.straightdope.com/classics/a2_306.html5) http//www.abc.net.au/rn/ duologue/8.30/helthrpt/stories/s11122.htm Menstrual Synchrony Essays -- Biology Essays Research PapersMenstrual SynchronyGenerations of women have noticed it you and your sister, or your roommate, or lover, or mom, get your periods at the same time. I t doesnt always happen, but it catches the attention when it does. Female rats living in the same air space ovulate at the same time. Menstruation in monkeys synchronizes with the full moon (7). So is it all in our heads, or is the same pattern present in humans?The clearest argument against the existence of menstrual synchrony is that since the length of the menstrual cycle varies from person to person (2), two women with different cycle lengths will never synchronize. They may menstruate at the same time, but the next month they will be a little different, the next month more different, and so on. By this argument, synchrony is simply a myth.I cannot believe this argument, since it assumes that menstruation can be graphed and analyzed like a sine wave. Human bodies rarely adhere to perfectly timed schedules. Many women have irregular periods, and the regularity of the menstrual cycle changes at different stages of life (3). So if a woman with a cycle of 25 days and another with cy cle of 28 days live together, they might both shift to a cycle of 26 or 27 days. In this way, synchronization would still be quite possible. So if this phenomenon does exist, what explanation can there be for it? One theory is that lunar cycles may have some connection to the pattern. At first this makes some sense, since both cycles happen about thirteen times each year. A study on the Dogon people of Mali found that although they had no electricity and spent most nights outdoors, thus being as likely as anyone to be affected by the light of the moon, menstrual cycles among the Dogon di... ...is this just something women want to believe because it would be cool and bring us closer together? Also, according to McClintock, some women responded strongly to other womens pheromones, while others did not respond at all (6). Does this mean that it is not strictly group behavior but leader/follower behavior,with some womens cycles setting the trend for the others? If so, does this chemica l leadership correlate to any kind of social behaviors, like alpha females among wolves? My conclusion can only be that despite all those sex-ed videos from seventh grade, menstruation is still awfully confusing.Internet Sources1) http//www.moltx.org/bloodbread.html2) http//www.moltx.org/noin.html3) http//www.moltx.org/hume.html4) http//www.straightdope.com/classics/a2_306.html5) http//www.abc.net.au/rn/talks/8.30/helthrpt/stories/s11122.htm