What are the symptoms before scar uterus rupture?

Uterine scars can cause uterine rupture, which usually occurs after delivery. Usually, the patient's symptoms of threatened uterine rupture are not obvious, just slight abdominal pain and tenderness at the site of the uterine scar. This is when you need to be alert.

When precursor symptoms of uterine rupture caused by uterine scar appear, you should be alert to the possibility of scar rupture. However, because the fetal membrane has not yet ruptured, the fetal position can be felt and the fetal heart rate is good. If it can be discovered and treated in time, the prognosis for mother and baby is good. Because the symptoms are mild, they are easily ignored.

During labor, when the descent of the fetal presenting part is blocked, strong contractions cause the lower uterine segment to gradually become thinner while the uterine body becomes thicker and shorter, forming a distinct annular depression between the two. This depression gradually rises to the level of the umbilicus or above the umbilicus, which is called the pathologic retraction ring. The mother complained of excruciating pain in the lower abdomen, restlessness, rapid breathing, difficulty urinating, and a rapid pulse. Due to excessive contractions of the uterus, blood supply to the fetus is blocked, and the fetal heart rate changes or becomes unclear. Examination of the abdomen revealed an obvious depression on the abdominal wall, a bulge in the lower segment of the uterus, obvious tenderness, and an extremely tense round ligament of the uterus, which could be clearly touched and was tender. Because the fetal presenting part incarcerated at the pelvic inlet compresses the bladder and damages the bladder mucosa, hematuria may be seen during catheterization. If this condition is not relieved immediately, the uterus will soon rupture at the pathological contraction ring and below it.

It is common in women with long labor and obstructive dystocia factors. During the labor process, when the descent of the fetal presenting part is blocked, strong contractions cause the lower segment of the uterus to gradually become thinner while the uterine body becomes thicker and shorter, forming an obvious annular depression between the two. This depression will gradually rise to the level of the navel or above the navel, which is called a pathological contraction ring.

At this time, the lower segment is bulging, tenderness is obvious, the round ligament of the uterus is extremely tense, can be clearly touched and is tender. The mother complained of excruciating pain in her lower abdomen, restlessness, crying out, and a rapid pulse and breathing. Because the presenting part of the fetus presses the bladder tightly and causes it to become congested, urination becomes difficult and hematuria is formed. Due to excessive contractions of the uterus, blood supply to the fetus is blocked, and the fetal heart rate changes or becomes unclear. If this condition is not relieved immediately, the uterus will soon rupture at the pathological contraction ring and below it.