Jurke M H, Czekala N M, Jurke S, Hagey L R, Lance V A, Conley A J, Fitch-Snyder H
Center for Reproduction of Endangered Species, Zoological Society of San Diego, California 92112-0551, USA.
Am J Primatol. 1998;46(2):173-83. doi: 10.1002/(SICI)1098-2345(1998)46:2<173::AID-AJP7>3.0.CO;2-T.
Estrone and estrone conjugates were measured in the feces of three female pygmy lorises (Nycticebus pygmaeus) throughout estrus, pregnancy, and the postpartum period. Two females gave birth to twins, while the third had a single stillborn. A comparison between the hormonal profiles of these three pregnancies with each other and with previously reported pregnancies resulting in singletons or twins [Jurke et al., American Journal of Primatology 41:103-115, 1997] revealed a characteristic pattern of hormonal excretion. This report adds data to and confirms previous claims that monitoring estrone in this species provides a tool to assess gestation length (via determination of estrus period) and to predict the date of parturition and the number of offspring. However, there was an exceptional case of a pregnancy which had the hormonal appearance of a twin pregnancy but resulted in a single stillborn infant. This case prompted us to search for new insights into the characteristics and the origin of the estrogens that are excreted into the feces. Aromatase activity was evaluated in five partial placentae.
在三只雌性倭蜂猴(侏儒懒猴)整个发情期、孕期和产后期间的粪便中测量了雌酮及其结合物。两只雌性产下双胞胎,而第三只产下一个死产单胎。将这三例妊娠的激素谱相互比较,并与先前报道的单胎或双胎妊娠 [Jurke等人,《美国灵长类学杂志》41:103 - 115,1997] 进行比较,揭示了一种激素排泄的特征模式。本报告补充了数据,并证实了先前的说法,即监测该物种的雌酮可提供一种工具,用于评估妊娠期长度(通过确定发情期)、预测分娩日期和后代数量。然而,有一例特殊的妊娠,其激素表现为双胎妊娠,但产下一个死产单胎婴儿。这个案例促使我们寻求对排泄到粪便中的雌激素的特征和来源的新见解。对五个部分胎盘的芳香化酶活性进行了评估。