Aide à la pratique échographique : quelques marqueurs du pôle céphalique fœtal

The imaging planes are easy to achieve and are reproducible by normally skilled operators irrespective of the type of technology used, assuring a quality examination. Diagnosis of an abnormality must be confirmed by a complete medical approach and is usually established during the second trimester, a favourable period for screening due to the physiological development of the fetus and the technical means widely available.