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PLASMA SEX STEROID AND GONADOTROPHIN PATTERNS IN HUMAN MENSTRUAL CYCLES
Author(s) -
Dodson Kay S.,
Coutts J. R. T.,
Macnaughton M. C.
Publication year - 1975
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1975.tb00696.x
Subject(s) - steroid , menstrual cycle , sex steroid , hormone , endocrinology , medicine , steroid hormone , biology , physiology
Summary Sensitive and specific displacement analysis methods for the assay of steroid hormones in small volumes of plasma are described. Plasma sex steroid and gonadotrophin hormone patterns were determined throughout a number of normal menstrual cycles. The mean cycles showed patterns which were similar to those described by other workers. However, examination of individual cycles provided information which may contribute to our understanding of menstrual cycle regulation with particular reference to the pattern of 17a‐hydroxyprogesterone and steroid‐gonadotrophin interactions.