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Document Type

Original Article

Abstract

Background: Miscarriage is the spontaneous loss of fetus before 20 weeks of pregnancy. Pregnancy losses after the 20 weeks of pregnancy are called stillbirths. Miscarriage is naturally occurring unlike medical or surgical abortion. The placenta is the most common source of bleeding during the first trimester. Aim: To evaluate spiral artery circulation in the primary three months of pregnancy in cases of threatened abortion. Patients and Methods: This cohort research was executed in Obstetrics and Gynecology Department, Al-Azhar University Hospitals, from December 2021 till February 2023. This study was performed on a total of 100 pregnant women in their first trimester with threatened abortion who were willing to participate and were distributed into double collections: Group A: (Abortion group): 19 patients who were exposed to miscarriage. Group B: (Continued Pregnancy): 81 patients who had no complications and continued pregnancy. Results: Doppler Ultrasound findings among the studied cases. Mean ± SD of pulsatility index (PI), Resistive index(RI) and Systolic/diastolic (S/D) ratio was 0.94±0.22, 0.46±0.07 and 2.18±0.29 respectively. Abortion did not correlate with any statistically significant changes in age, BMI, location, or number of children. Aborted cases had statistically elevated values of PI, RI, and systolic/diastolic (S/D) ratio. In predicting abortion, the RI performed somewhat well statistically, but the PI and S/D ratio performed poorly. Conclusion: Doppler ultrasound examination of the uterine arteries (transvaginal) can detect trophoblastic invasion abnormalities in early pregnancy without causing any harm to the infant (4–8 weeks).

Keywords

Spiral Artery; Threatened Abortion; Doppler

Subject Area

Obstetrics and Gynecology

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