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Korean Journal of Fertility and Sterility 1976;3(2):29-34.
Plasma Progestin Concentration In Artificially Maintained Pregnancy
Jong-Kuk Kwun, Young-So Lee
College of Veterinary Medicine, Seoul National University
인공적으로 임신을 유지시킨 동물에 있어서 Plasma Progestin의 농도
권종국, 이영소
서울대학교 수의과대학
Abstract
The changes of the plasma progestin concentations in normal pregnancy and artificially maintained pregnancy of the rabbits by hormonal replace therapy after induced ovulation and insemination on Day 1, followed by ovariectomy on Day 2, were checked by direct measurement, competitive protein-binding assay, from the time of mating through to parturition. The results obstained in this experiment can be summarized as follows: (i) The mean concentration of progestin in normally pregnant rabbits increased from $1.7{\sim}2.7$ ng/ml on Day 1 to $19.8{\sim}25.3$ ng/ml on Days $13{\sim}15$ and declined slowly thereafter until term. (ii) The progesterone levels in artificially maintained pregnancy by hormonal replacement therapy showed quite a similar pattern to that in normally pregnant rabbits.
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