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Detection of twin pregnancies in ewes by pregnancy-associated glycoprotein assay and transabdominal ultrasonography.
Domestic Animal Endocrinology ( IF 2.1 ) Pub Date : 2019-09-18 , DOI: 10.1016/j.domaniend.2019.106399
H Alkan 1 , M B Kivrak 2 , F Satilmis 1 , M A Tekindal 3 , D A Dinc 1
Affiliation  

The objectives of the present study were to evaluate and compare the accuracy of transabdominal ultrasonography and pregnancy-associated glycoprotein (PAG) assay in the diagnosis of twin pregnancies in ewes and to evaluate the utility of the PAG assay for predicting fetal gender in singleton pregnancies. The animals in the study consisted of 179 pregnant ewes. The number of fetuses in the ewe was determined using transabdominal ultrasonography between days 40 and 60 (on days 40, 45, 50, 55, and 60). Blood samples were collected from all the ewes on the same day to determine the PAG concentrations. The results found were highly sensitive for the detection of twin pregnancies by transabdominal ultrasonography. The accuracy of transabdominal ultrasonography in detecting twin pregnancies was found to be higher on day 60 than on other days (P < 0.05). The sensitivities of PAG assay in detecting twin pregnancies on days 40, 45, 50, 55, and 60 were 91.67%, 66.67%, 81.82%, 88.89%, and 33.33%, respectively. The accuracies of the PAG assay in detecting twin pregnancies on days 40, 45, and 50 were found to be statistically significant higher than other days (P < 0.05). The PAG assay had low sensitivity and specificity for predicting fetal gender. It was concluded that twin pregnancies in ewes can be diagnosed with high accuracy using transabdominal ultrasonography on day 60 of pregnancy and as well as using the PAG assay during the early days of pregnancy (on days 40, 45, and 50). The PAG assay is not useful for predicting fetal gender.



中文翻译:

通过妊娠相关糖蛋白测定和腹部超声检查检测母羊中的双胎妊娠。

本研究的目的是评估和比较经腹超声检查和妊娠相关糖蛋白(PAG)检测在母羊双胎妊娠诊断中的准确性,并评估PAG检测在预测单胎妊娠中胎儿性别方面的实用性。研究中的动物由179只母羊组成。在第40天到60天之间(第40、45、50、55和60天),使用经腹超声检查确定母羊的胎儿数量。在同一天从所有母羊采集血样以确定PAG浓度。发现的结果对于通过腹部超声检查双胎妊娠非常敏感。发现在第60天经腹部超声检查双胎的准确性高于其他几天(P <0.05)。PAG检测在第40、45、50、55和60天检测双胎的敏感性分别为91.67%,66.67%,81.82%,88.89%和33.33%。发现在第40、45和50天检测双胎妊娠的PAG分析准确性高于其他几天(P <0.05)。PAG分析对于预测胎儿性别具有较低的敏感性和特异性。结论是,在妊娠第60天使用腹部超声检查,以及在妊娠早期(第40、45和50天)使用PAG分析,可以高度准确地诊断出母羊中的双胎妊娠。PAG分析对预测胎儿性别没有帮助。

更新日期:2019-09-18
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