Postpartum flexion

Introduction Because the fetal head rotates with a larger circumference of the pillow, it is more difficult for the baby to deliver, and more surgery is needed. After the delivery, the fetal head is connected late and the flexion is poor. Because the posterior part of the occipital position is not easy to close to the lower part of the uterus and the internal cervix, it often leads to poor coordination of uterine contractions and slow expansion of the cervix. Because the occipital bone continues to be located in the back of the pelvis and compresses the rectum, the mother feels anal bulge and defecation, causing the cervix to not be fully opened.

Cause

After the delivery, the fetal head is connected late and the flexion is poor. Because the posterior part of the occipital position is not easy to close to the lower part of the uterus and the internal cervix, it often leads to poor coordination of uterine contractions and slow expansion of the cervix. Because the occipital bone continues to be located in the back of the pelvis and compresses the rectum, the mother feels anal bulge and defecation, causing the cervix to not be fully opened.

an examination

Related inspection

Postpartum pelvic floor muscle examination and evaluation of EMG lumbar muscle stimulation test pelvic floor EMG

After the delivery, the fetal head is connected late and the flexion is poor. The uterine cervix has not been opened for the premature use of abdominal pressure, which may lead to edema of the anterior lip of the cervix and maternal fatigue, which affects the progress of labor. The persistent posterior occipital position is often in the late active phase and the second stage of labor is prolonged. If you have seen the fetal hair in the vaginal opening, after a number of contractions, but the breath is not seen, the fetal head continues to decline smoothly, it should be thought that it may be a persistent back position.

Differential diagnosis

Combined with clinical symptoms and signs, the posterior occipital position is generally not difficult to distinguish from other dystocia types. If necessary, combined with B-ultrasound examination, using ultrasound images to understand the position of the fetal face and occipital position, the diagnosis can be confirmed, timely treatment, no need for repeated anal examination And vaginal examination. Strive to find the back of the pillow in the early stage of labor, so that it can be treated in time to avoid prolonged labor.

Should be identified with the following:

1. Abnormal labor with the anterior position of the pillow.

2. The abnormality of labor is accompanied by high straight position of the fetal head.

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