OBSTETRICS : A CORD PROLAPSE - etiology, pathogenesis, symptoms and course of, recognition, prediction and prevention
A cord prolapse (when the head previa).
Etiology and pathogenesis the same as when the loss of small parts of the fetus (see). It should be added excessively long umbilical cord, the introduction of metratester.
There are a presentation of the umbilical cord when the whole waters and the loss of a loop of the umbilical cord after ruptured membranes. A presentation of the umbilical cord does not give symptoms. When the pressure dropped umbilical cord of the fetus's head is showing signs of intrauterine asphyxia of the fetus is a frequent palpitations, subsequently becoming rare (less than 100 beats per minute, arrhythmia, appearance of meconium. When long pressing the umbilical cord of the fetus dies from asphyxia.
Recognition on the basis of the initial signs of asphyxia of the fetus and the study of vaginal childbirth.
Prevention is to prevent the danger of asphyxia of the fetus. With timely diagnosis presentation of the umbilical cord - rest, on its side, caiparinhas. With the full opening to open the shell and prevent exploring hand prolapse of the umbilical cordwhile in the subsequent fight goes the head.
When the cord prolapse and incomplete opening to fill the umbilical cord for the head. If predlagaemaya part is not entered after this, at the entrance to the pelvis - metaris. With the full opening, the mobile head and just ceded waters, especially in povernostey, - turn on the leg and retrieval. When the head is located in the cavity of the pelvis and lower - tongs and perineotomy. In some cases, older, nulliparous, when combined loss of the umbilical cord with narrowing of the pelvis, behind closed ancestral ways and absence of infection in the mother - cesarean (for saving the life of the fetus).