Author

B. Bayraktar

3 papers indexed here

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Open access Aug 2026

Development of Gestational Age-Specific Nomograms for Fetal Splenic Artery Doppler Parameters Between 18 and 40 Weeks of Gestation

OBJECTIVE: To characterize the gestational age-related behavior of fetal splenic artery (SA) Doppler parameters and to establish appropriate reference models for the systolic/diastolic (S/D) ratio, pulsatility index (PI), peak systolic velocity (PSV), and time-averaged maximum velocity (TAMV) in normal singleton pregna...

İlayda Gercik Arzık, B. Bayraktar, Zübeyde Emiralioğlu Çakır et al. · Gynecology Obstetrics &... · 0 citations

Open access Sep 2026

Reference ranges, nomograms, and z-score equations for fetal aortic isthmus Doppler parameters during second-trimester anatomical assessment: a prospective cross-sectional study

Aims: This study aimed to establish gestational age-specific reference ranges, nomograms, and z-score equations for aortic isthmus (AoI) Doppler parameters between 18 and 24 weeks of gestation and to assess their relationships with fetal biometry and arterial Doppler measurements.Methods: In this prospective cross-sect...

B. Bayraktar · Journal of Health Sciences a... · 0 citations

Open access Aug 2026

Modified umbilical artery Doppler scoring system based on multisite assessment: association with perinatal outcome in early and late fetal growth restriction

To evaluate a novel bilateral, segment‐based umbilical artery (UA) Doppler scoring system in pregnancies complicated by early‐ or late‐onset fetal growth restriction (FGR) and to investigate its association with adverse perinatal outcome.

D. Bulan, B. Bayraktar, R. Dayanan et al. · Ultrasound in Obstetrics and... · 0 citations