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25-Hydroxyvitamin D levels are related to hyperinsulinemia in polycystic ovary syndrome
Guducu, Nilgun; Gormus, Uzay; Kutay, Salih Serdar; Kavak, Zehra Nese; Dunder, Ilkkan (INFORMA HEALTHCARE, 2014)Aim: To determine 25-hydroxyvitamin D levels and the relationship between 25-hydroxyvitamin D and metabolic disturbances including insulin resistance in women with PCOS. Materials and methods: We compared biochemical, ... -
High DHEAS/free testosterone ratio is related to better metabolic parameters in women with PCOS
Guducu, Nilgun; Kutay, Salih Serdar; Gormus, Uzay; Kavak, Zehra Nese; Dunder, Ilkkan (TAYLOR & FRANCIS LTD, 2015)Aims: To demonstrate the effects of DHEAS/free testosterone (DHEAS/FT) ratio on metabolic parameters in women with and without polycystic ovary syndrome (PCOS). Methods: The data of 91 women with PCOS and 66 women in the ... -
Longitudinal examination of cervical volume and vascularization changes during the antepartum and postpartum period using three-dimensional and power Doppler ultrasound
Yilmaz, Nur Cansu; Yigiter, Alin Basguel; Kavak, Zehra Nese; Durukan, Birol; Gokaslan, Husnu (WALTER DE GRUYTER GMBH, 2010)Objective: To assess longitudinally the changes in cervical volume and vascularization during the peripartum period using three-dimensional ultrasound (3D US) and power Doppler and to determine whether these measures change ... -
Placental volume and vascularization flow indices by 3D power Doppler US using VOCAL technique and correlation with IGF-1, free beta-hCG, PAPP-A, and uterine artery Doppler at 11-14 weeks of pregnancy
Yigiter, Alin Basgul; Kavak, Zehra Nese; Durukan, Birol; Isci, Herman; Uzuner, Arzu; Uyar, Esra; Gokaslan, Husnu (WALTER DE GRUYTER GMBH, 2011)Aims: The purpose of this study was to investigate correlations between first trimester placental volume (PV) and blood flow indexes (FIs), bilateral uterine artery pulsatility indexes, notching, and biochemical parameters: ...