Normal Reference Ranges of Uterine and Spiral Arteries Doppler at as Early as 6 Weeks of Gestation and its Significance | ||
| Evidence Based Women's Health Journal | ||
| Article 45, Volume 15, Issue 15, January 2025, Pages 1-5 PDF (457.7 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ebwhj.2024.328521.1371 | ||
| Authors | ||
| Ahmed Okasha1; Maged Elmohamady2; Mazen Abdel-Rasheed* 3; Esraa Hatem4; Tamer Elnahas1; Ehab Salama1 | ||
| 1Reproductive Health Research Department, National Research Centre, Cairo, Egypt. | ||
| 2Obstetrics and Gynecology Department, Faculty of Medicine, Cairo University, Cairo, Egypt | ||
| 3Reproductive Health Research Department, National Research Centre, Cairo, Egypt | ||
| 4Radiology Department, Bani Suef Health Insurance Hospital, Bani Suef, Egypt. | ||
| Abstract | ||
| Background: A high uterine artery pulsatility index (PI) reflects a defective development of placental bed spiral arteries. This study assesses early uterine and spiral arteries Doppler and their relation to adverse pregnancy events. Methods: A retrospective cohort study was conducted on 291 pregnant women between 6 and 10+ weeks’ gestation, where uterine and spiral arteries were assessed by transvaginal Doppler ultrasound at 6-10+ and 11-13+ weeks’ gestation. All participants were followed up regarding the risk for miscarriage, PIH, and the need for neonatal ICU admission. Results: Normal reference ranges were obtained for mean uterine PI and spiral resistance index (RI) during 6-10+ weeks’ gestation. There was a significantly increased risk of miscarriage in women with higher uterine PI (p=0.042). Besides, there was a moderate positive correlation (r=0.61) between mean uterine PI and spiral RI during the first scan (6 - 10+ weeks). Also, there was a fair, positive correlation (r=0.33) between the mean uterine PI during the first and the second ultrasound scans. Conclusion: Early measurement of uterine and spiral arteries Doppler may benefit as an early tool for detecting those at risk of miscarriage. | ||
| Keywords | ||
| Pulsatility index; pregnancy-induced hypertension, resistance index; spiral artery; uterine artery | ||
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