Chronobiology of labor activity

I. К. Bayteryak
1998 Kazanskij Medicinskij Žurnal  
Circadian biologic rhythms are studied and the coefficient of their partici pation in labor is revealed. By means of cosinor analysis of labor histories of 6572 women the polar acrophases of labor activity and their relativity to photoperiods of twentyfour hours in discrete ages are established.
doi:10.17816/kazmj64023 fatcat:esq75iaq7bcinjm3re637qhrmq