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The importance of Doppler ultrasound in delivery planning.

With respect to the power of nature and the fact that it can still surprise us, even with all anticipated measures of safety, it is necessary to expand a range of true indications for surgical delivery. Thus complications of the delivery itself and conditions of increased morbidity can be reduced. By following Doppler flow with a biophysical profile, cardiotocography and pH metry of the head (if available), indications for cesarean section can be expanded in time so the morbidity and mortality of the newborn population can be decreased. It is a fact that controlled vaginal delivery leads to additional maturation of the fetus. By provoking contractions, acts of hypoxia crisis under the influence of stress hormones cause larger and faster surfactant production. However, the danger of walking on a tightrope is decreased if it is anticipated that delivery can not be accomplished per vias naturalis and that it is more advisable and safer to perform cesarean section.