Threshold hypotheses, development age, and menstrual function.
Hypotheses relating the onset and maintenance of menstrual function to threshold levels of various parameters have been subject to statistical critique. Analysis of trends in parameter variance, applied here to data from the Berkeley Guidance Study, discriminates between the predictions of such hypotheses and those of the more traditional concept of developmental age.
D000273:Adipose Tissue / Q000033:anatomy & histology; D000375:Aging; D000704:Analysis of Variance; D001827:Body Height; D001834:Body Water / Q000032:analysis; D001835:Body Weight; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008572:Menarche