The detailed study of the fetal cardiac anatomy in the first trimester of pregnancy by means of
ultrasound, transvaginally or transabdominally, is feasible and remains a safe procedure …

The data available to data suggest that diagnostic US has no adverse effect on
embryogenesis or fetal growth. However, although B and M mode are safe during the first …

Abstract Objective Color Doppler echocardiography is used to visualize three transverse
planes: the four‐chamber, five‐chamber, and three vessels and trachea views. Color …

Objective: To investigate first trimester human fetal cardiac function in relation to cardiac
volume blood flow, and peripheral arterial and venous blood flow patterns. Methods …

Feasibility and reproducibility of uterine artery Doppler (UAD) at 11–14 gestational weeks
was recently confirmed. Normal range values were established for resistance and pulsatility …

Objective The purpose of this study was to quantify the acoustic output of clinical ultrasound
instruments, as expressed by the thermal index (TI) and mechanical index (MI), during …

Objectives The present study was aimed at evaluating acoustic outputs during clinical
ultrasound examinations, as expressed by the thermal index (TI) and the mechanical index …

Objective. To describe normal fetal cardiac and hemodynamic development in normal early
first trimester pregnancies. Materials and methods. Eighty-eight women with singleton …

The objective of this study was to evaluate the role of uterine, endometrial and follicular
blood flow in prediction of ongoing pregnancy after assisted conception. A prospective …

Ultrasound's record of safety seems to be perfect, with no undisputed reports of adverse
effects in humans. However, all epidemiologic studies published so far are based on …