Central to the management of dystocia is augmentation of labor, that is, correcting ineffective uterine contractions. Despite vast experience with labor. 49, December Dystocia and Augmentation of Labor. First published: 12 May (04) Cited by: 4. About. diagnosis and management of dystocia, including a range of acceptable methods of augmentation of labor. Normal labor. Labor commences when uterine.

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If oxytocin is being infused, it should be discontinued to achieve a reassuring fetal heart rate pattern. This stage is divided into the latent phase and the active phase.

A nonstress test or biophysical profile should be performed weekly starting at 32 weeks. Dystoica the fetus still remains undelivered, vaginal delivery should be abandoned and the Zavanelli maneuver performed followed by cesarean delivery.

Slower-than-normal protraction disorders or complete cessation of progress arrest disorder are disorders that can be diagnosed only after the parturient has entered the active phase of labor. Tachysystole is defined as six or more contractions in 20 minutes.

Prelabor rupture of membranes.

Dystocia and Augmentation of Labor

Sodium restriction and diuretics have no role in therapy. Slower-than-normal protraction disorders or complete cessation of progress arrest disorder are augmntation that can be diagnosed only after the parturient has entered the.

Obstetric dystocka remains a leading causes of maternal mortality. Active management of labor is not associated with unfavorable maternal or neonatal outcomes. Epidural anesthesia is associated with increases in duration of the first and second stages of labor, incidence of fetal malpositions, use of oxytocin, and operative vaginal delivery.


Labor abnormalities due to the pelvic passage passage. Low-dose regimens are associated with less uterine hyperstimulation and lower maximum doses.

Caution should be exercised to ensure that the fetal vertex is well-applied to the cervix and the umbilical cord or other fetal part is not presenting. This results in adduction of the shoulders and displacement of the anterior if from behind the symphysis pubis. It may lead to shortened labor in augmentarion women, but it has not led to a consistent reduction in cesarean deliveries.

Chorioamnionitis, pelvic contractions, and macrosomia also may affect the progression of labor.

Fetal anomalies such as hydrocephaly, encephalocele, and soft tissue tumors may obstruct labor. First stage of labor 1. Hyperstimulation and tachysystole may occur with use of prostaglandin compounds or oxytocin. Rarely hyperstimulation or tachysystole can cause uterine rupture.

Dystocia and Augmentation of Labor

Active management of labor regimens use a high-dose oxytocin infusion with short incremental time intervals. The minimal uterine contractile pattern of women in spontaneous labor consists of 3 to 5 contractions in a minute period.

Read the full article. According to ACOG, a more practical classification is augmentatjon categorize labor abnormalities as slower-than-normal protraction disorders or complete cessation of progress arrest disorders. Placing the woman in the left lateral position, administering oxygen, and increasing intravenous fluids may also be of benefit. The recurrence rate has been reported to be The bony pelvis is very rarely the factor that limits vaginal delivery of a fetus in cephalic presentation.


Two assistants should kabor called for if not already present, as well as an anesthesiologist and pediatrician. Fundal pressure may increase the likelihood of uterine rupture.

ACOG Practice Bulletin Number 49, December Dystocia and augmentation of labor.

Fetal maturity should be evaluated, and amniocentesis for fetal lung maturity may be needed prior to induction. Clinical evaluation of postpartum hemorrhage.

The fetal head is replaced into the womb. To see the full article, log in or purchase access. Oxytocin is given intravenously. Assessment of cervical ripeness. During the latent phase, uterine contractions are infrequent oabor irregular and result in only modest discomfort.

Earlier delivery can be considered for women with severe hypertension, superimposed preeclampsia, or pregnancy complications eg, fetal growth restriction, previous stillbirth. The active phase of labor occurs when the cervix reaches cm of dilatation. Oxytocin is administered when a patient is progressing slowly through the latent phase of labor or has a protraction or an arrest disorder of labor, or when a hypotonic uterine contraction pattern is identified.

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