ИНФОРМАЦИОННАЯ ЗНАЧИМОСТЬ ПАРАМЕТРОВ УЛЬТРАЗВУКОВОГО ИССЛЕДОВАНИЯ ПЛОДА И ЭКСТРАЭМБРИОНАЛЬНЫХ СТРУКТУР С 8-Й ПО 11-Ю НЕДЕЛЮ БЕРЕМЕННОСТИ
2017
The purpose of this research was to define the importance of ultrasound parameters of fetus pathology and extra-embryo structure in the first trimester of pregnancy. We have studied 369 pregnancies with 8 to 11 weeks of gestation. We used original metod to define index of correlation between embryonic crown — rump length (CRL) and the length of heart (the distance between the chin and crown). The normal index values are in a range 1,6–2,6. We used factory mathematic analysis and received results. The most informative parameters are: aplasia of yolk sack, wrong differential structure of anatomical embryo, wrong correlation between the length of head to body of fetus, discordance between CRL to period of gestation. Least informative ultrasound parameters are: tonus miometrium, poor vascularisation of corpus luteum. These results allow to segregate the group of high pathology of fetus.
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