The effect of pelvic movements with the birth ball in the active phase of labor on the anterior rotation of the fetal head in cases of posterior occiput (OP): A randomized controlled trial

Not Applicable

Conditions: Position of the posterior occiput of the fetal head.
Obstructed labor due to incomplete rotation of fetal head
O64.0

Registration Number: IRCT20090719002204N5

Lead Sponsor: Ahvaz University of Medical Sciences

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Female

Target Recruitment: 52

Inclusion Criteria

Being interested in participating in the study
age of at least 18 years and a maximum of 45 years
low-risk pregnancy
able to understand the Persian language
primiparous and multiparous women
singleton fetus in vertex presentation
intact membranes
not suffering from diseases chronic
gestational age 37 to 42 weeks
normal pelvic examination (to remove the bias, all examinations will be performed by an experienced person with 20 years of clinical work in the maternity hospital)
4 cm dilation of the cervix
having at least three spontaneous uterine contractions of 40 seconds in ten minutes
spontaneous start of labor
estimation of fetal weight based on late pregnancy ultrasound between 2500 and 4000 grams/
position of the posterior occiput of the fetus during hospitalization in the active phase

Exclusion Criteria

previous cesarean
Occurrence of any dangerous symptoms that risk labor and require medical intervention
Withdrawal at any time from the study

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Frequency of anterior rotation of the fetal head. Timepoint: Every two hours. Method of measurement: Portable ultrasound.

Secondary Outcome Measures

Name	Time	Method
Cervical dilatation process. Timepoint: Every two hours. Method of measurement: Vaginal examination.;Cervical effacement process. Timepoint: Every two hours. Method of measurement: Vaginal examination.;First labor stage duration. Timepoint: at end of the first stage. Method of measurement: Partograph.;Labor pain. Timepoint: every 2 hours. Method of measurement: visual analogue scale.;Persistent posterior occiput. Timepoint: At the time of delivery. Method of measurement: observation.