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The Effect of Baseline Bilateral Uterine Artery Doppler Velocimetry on Obstetric Outcomes in HRT-FET Cycles

Infertility Clinical Trial

Official title:
The Effect of Baseline Bilateral Uterine Artery Doppler Velocimetry on Obstetric Outcomes in Hormonally Prepared Vitrified-Warmed Blastocyst Transfer Cycles: a Prospective Cohort Study

Clinical Trial Summary

Researchers aim to determine how baseline (pre-conceptional) uterine perfusion characteristics affect implantation rates and obstetric complications in women who underwent high-quality blastocyst transfer.

Clinical Trial Description

In hormonally prepared frozen embryo transfer cycles, basal bilateral uterine artery Doppler velocimetry will be performed before treatment (pre-conceptional) in each patient. Only patients who have high-quality blastocyst stage embryos will be included in the study. Since the implantation potential of the specified embryos is high, possible embryo-induced implantation failure would be minimized. Bilateral uterine artery Doppler velocimetry will be performed during the basal ultrasonography (on the 2-5th day of menstruation). Any uterine artery notch, absent diastolic or reverse flow also will be recorded. In addition, sub-endometrial (arcuate artery) blood flows will be evaluated by Doppler ultrasonography. For endometrial preparation, estrogen replacement will be given for approximately 12-14 days as a routine In cases with endometrial thickness ≥7mm, progesterone treatment will be started and embryo transfer will be planned on the 6th day of the treatment. A pregnancy test will be performed 9 days after embryo transfer. Pregnant patients will be called for ultrasonography control 3 weeks later to determine fetal heartbeat. Additionally, the patients will be followed till labor and any obstetric complications will be recorded. Uterine artery Doppler ultrasonography findings in patients with and without pregnancy will be compared. Additionally, in the group in which pregnancy was achieved, obstetric results including birth weight, small-large for gestational age, presence of hypertension, and preterm labor will be correlated with baseline (pre-conceptional) uterine artery Doppler parameters. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05526014
Study type Observational
Source Akdeniz University
Contact SAFAK OLGAN, MD
Phone 00905064068740
Email safakolgan@gmail.com
Status Recruiting
Phase
Start date May 1, 2022
Completion date December 15, 2023
View Details
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