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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. Results. Analysis of the Pulsatility index basic (PIB) and before PAS and Pulsatility index reactive after the first PAS (PIR 1) shows high statistical difference, representing high influence on the brain circulation. Analysis of PIB and Pulsatility index reactive after the second PAS (PIR 2) shows no statistical difference. Cilia as nanoscale structure possess magnetic flux linkage that depends on the amount of charge that has passed between two-terminal variable resistors of cilia. Microtubule resistance, as a function of the current through and voltage across the structure, leads to appearance of cilia memory with the “memristor” property. Conclusion. Acoustical and optical cilia properties play crucial role in hearing and memory processes. We suggest that fetuses are getting used to sound, developing a kind of memory patterns, considering acoustical and electromagnetically waves and involving cilia and microtubules and try to explain signal transduction.

The C/U ratio values obtained from spectral Doppler analysis in fetal vessels showed a highly significant correlation with fetal pH at birth in the patients with preeclampsia. The results of our study confirmed the reliability of C/U ratio in estimation of fetal condition in preeclamptic patients. Very low C/U ratio values in patients with preeclampsia indicate that in these fetuses fetal acidosis and fetal distress may be expected.

For the successful diagnosis and management of FMH direct commu-nication between the obstetrician and the pediatrician is neces-sary as presented in this report.

The aim of this study was to determine the rate of complications in pregnancy and during delivery, as well as neonatal outcomes, in women who underwent in vitro fertilization (IVF) and who are 40 years of age or older. Materials and Methods: This was a prospective study. The study group consisted of 29 women who underwent IVF. The control group consisted of 32 women who had a spontaneous pregnancy. Results: Pregnancy complications occurred in 86.21% of women in the study group, and in 46.87% of women in the control group. The proportion of cesarean sections (CS) was 84.62% in the study group, and 21.87% in the control group. Birth weight < 1,500 grams and < 2,500 grams was present in 17.16% and 22.86% of newborns in the study group, respectively. In the control group, birth weight < 1,500 grams and < 2,500 grams was present in 5.55% and 8.33% of newborns, respectively. Neonatal intensive care unit admissions included 22.86% newborns from the study group and 8.33% from the control group. Conclusion: Pregnancy, delivery, and neonatal complications were more frequent in the study (IVF) group.