How regular is regular? An analysis of menstrual cycle regularity.
Creinin
Mitchell D
MD
Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Magee Womens Research Institute, 300 Halket Street, Pittsburgh, PA 15213-3180, USA. mcreinin@mail.magee.edu
Keverline
Sharon
S
Meyn
Leslie A
LA
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D016014:Linear Models; D008597:Menstrual Cycle / Q000502:physiology*; D010298:Parity; D011446:Prospective Studies; D013997:Time Factors