Effect of gestational diabetes mellitus and pregnancy-induced hypertension on human umbilical vein smooth muscle K channels.

Gestational diabetes mellitus (GDM) and pregnancy-induced hypertension (PIH) can jeopardize mother and/or fetus. Vascular ATP-sensitive potassium (K) channels most likely participate in the processes of diabetes and hypertension. The aim of this research was to examine whether GDM and PIH cause changes in the expression and function of K channels in vascular smooth muscle of human umbilical vein (HUV).

Massive fetomaternal hemorrhage as a cause of severe fetal anemia.

Introduction: Fetomaternal hemorrhage (FMH) is a transfu-sion of fetal blood into the maternal circulation. A volume of transfused fetal blood required to cause severe, life-threatening fetal anemia, is not clearly defined. Some authors suggest vol-umes of 80 mL and 150 mL as a threshold which defines mas-sive FMH.

Fetus sound stimulation: cilia memristor effect of signal transduction.

Background: This experimental study evaluates fetal middle cerebral artery (MCA) circulation after the defined prenatal acoustical stimulation (PAS) and the role of cilia in hearing and memory and could explain signal transduction and memory according to cilia optical-acoustical properties.

Methods: PAS was performed twice on 119 no-risk term pregnancies. We analyzed fetal MCA circulation before, after first and second PAS.

Three-dimensional transvaginal ultrasonographic view of intact cornual pregnancy.

This work presents the case of the cornual ectopic pregnancy of a twenty year old patient who came to be examined due to amenorrhea which had lasted for seven weeks. Two-dimensional transvaginal ultrasound uncovered the existence of an intact ectopic pregnancy. Use of three-dimensional transvaginal ultrasound in a coronal section confirmed the diagnosis of cornual ectopic pregnancy, and the patient underwent laparatomy.

[Fetal cerebral-umbilical Doppler ratio in prediction of fetal distress in patients with preeclampsia].

Background/aim: The use of color Doppler ultrasonography provides noninvasive observation, confirmation and quantification of pathophysiological processes in fetoplacental circulation in pregnant patients. By blood vessel mapping and the obtained waves spectral analysis it is posible to evaluate vascular resistency of the fetus blood vessels. The aim of the study was to evaluate cerebral-umbilical pulsatility index ratio in fetal circulation in prediction of fetal distress in patients with preeclampsia.

An immunological insight into premature ovarian failure (POF).

Premature ovarian failure (POF), a serious life-changing condition that affects young women, remains an enigma and the researchers' challenge. The term POF generally describes a syndrome of gonadal failure before the age of 40, characterized by amenorrhea, sex steroid deficiency and elevated levels of gonadotropins. Infertility and psychological stress are common consequences of this entity the prevalence of which is 0.