الفهرس 
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Abstract
Early pregnancy loss ”miscarriage, or spontaneous abortion” is defined as a “nonviable, intrauterine pregnancy with either an empty gestational sac or a gestational sac containing an embryo or fetus without fetal heart activity prior to 12 weeks and 6 days of gestation”. It is the most common complication of early pregnancy, affecting about 30% of pregnancies following assisted reproduction and 10% of spontaneously conceived pregnancies.
Many parameters can be used to provide a prognosis of pregnancy outcome, and these types of parameters, such as maternal age (MA) and sonographic measurements, are also easily attainable.
This study aimed to assess accuracy of first trimesteric ultrasonographic parameter in predicting early pregnancy failure in pregnant women with history of first trimestric recurrent pregnancy loss.
The study population was conducted on 90 pregnant females with a history of first trimester recurrent pregnancy loss at the 6th to 10th week of gestational age.
Detailed medical history was obtained and complete clinical examination was done for patients enrolled in this study. Transvaginal ultrasonographic examination was done at the 6th to 10th week of pregnancy.
Our results revealed that the mean age in the miscarriage group was 30.5±2.8and 31.1±3.6in the ongoing pregnancy group. While regarding BMI, the mean BMI for the miscarriage group was 29.8±2.75 and 29.1±2.84 for the ongoing pregnancy group.There was
Summary
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no difference between women (aborted and those ongoing pregnancy) regarding maternal age and BMI .
The results showed that among 90 pregnant women with recurrent miscarriage, 39 patients had spontaneous miscarriage andthe other 51 patients continued their pregnancy beyond the 13thweek .
The results were significant only for the crown rump length below 5th percentile for GA, mean gestational sac diameter below 5th percentile for GA, caudal displacement of gestational sac, Irregular gestational sac, MSD-CRL ≤ 5mm.
EHR/FHR below 5th percentile for GA, Abnormally large yolk sac diameter (>95th percentile for GA), Absent yolk sac, free floating YS, YS shape, U/S appearance of YS rim and mean decidua basalis thickness as good predictors for the risk of spontaneous miscarriage, but regarding the other parameters(U/S appearance of YS centre, YS degenerative changes, presence of intrauterine hematoma and Uterine artery RI, PI and S/D ratio) the results showed no statistically significant difference so they cannot be used as predictors for the risk of spontaneous miscarriage.