Comparing the Shape and Frequency of Uterine Contractions

Mashhad University of Medical Sciences95 enrolled

Overview

Dystocia is the most common indication for primary cesarean section. The most common cause of dystocia is uterine dysfunction. In all cephalopelvic disproportion studies, more attention is usually paid on fetus and pelvic rather than on the role of uterine contraction in delivery. So we decided to determine the relationship between dystocia and uterine contraction patterns.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Uterine Contractions Delivery

Eligibility

Sex: FEMALEMin age: 18 YearsMax age: 35 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * age 18-35 years * singleton pregnancy with cephalic term presentation * tendency to do vaginal delivery * having no medical or mental diseases * having no pregnancy complications * Intact membranes * BMI\<26 Exclusion Criteria: * using oxytocin before and during the monitoring of contractions * performing cesarean section for any reason except arrested delivery or pelvic constriction * the birth weight\< 2500 or \>4000 * using the analgesia such as epidural anesthesia morphine and pethidine during the study

Outcomes

Primary Outcomes

the shape and frequency of uterine contractions

Uterus contractions were recorded using electronic fetal monitoring at the beginning of the active phase of labor (dilatation 3-5 cm) for 30 min.

Time frame: up to 15 months

Data from ClinicalTrials.gov

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