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CONCOMITANT SECRETION OF SCHWANGERSCHAFTSPROTEIN 1 AND HUMAN CHORIONIC GONADOTROPHIN FOLLOWING CONCEPTION
Author(s) -
AHMED A.G.,
KLOPPER A.
Publication year - 1985
Publication title -
clinical endocrinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.055
H-Index - 147
eISSN - 1365-2265
pISSN - 0300-0664
DOI - 10.1111/j.1365-2265.1985.tb01128.x
Subject(s) - ovulation , syncytiotrophoblast , endocrinology , medicine , concomitant , secretion , induced ovulation , biology , pregnancy , placenta , hormone , fetus , genetics
SUMMARY Daily measurements of serum oestradiol, progesterone, Schwangerschaftspro‐tein 1 (SP 1 ) and hCG were made in 13 menstrual cycles during which conception occurred. The assays were continued until 21 d after ovulation. SP 1 was detected in maternal blood 8–14 d after ovulation and hCG 9–13 d after ovulation. We conclude that these two proteins are secreted simultaneously but independently by the syncytiotrophoblast.