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Journal of Clinical Endocrinology & Metabolism, Vol 41, 241-244, Copyright © 1975 by Endocrine Society

ARTICLES

A new method simplifying collection of serial specimens for gonadotropin determinations

JW Hansen and GT Ross

Patterns of gonadotropin levels have been compared in specimens of serum, 24-h urine collections, and first morning urine voidings collected throughout a menstrual cycle from 8 sexually mature, young women. Quantities of gonadotropins in first morning voidings were found to provide a reliable estimate of 24-h excretion of these hormones and demonstrate the same patterns of change as do serum and 24-h urine specimens. Thus first morning voidings satisfactorily overcome logistical problems inherent is serial serum and 24-h urine sampling for studying gonadotropin excretion patterns.




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Endocrinology Endocrine Reviews J. Clin. End. & Metab.
Molecular Endocrinology Recent Prog. Horm. Res. All Endocrine Journals
Copyright © 1975 by The Endocrine Society