Maternal Positioning to Correct Fetal Occiput Posterior
Public ClinicalTrials.gov record NCT05307393. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Maternal Positioning to Correct Fetal Occiput Posterior in the First Stage of Labor
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
In evaluating a patient's ability to have a normal vaginal delivery, a practitioner must consider three factors. Commonly referred to as the three P's, these include Power (contractions), Passage (pelvis and soft tissue) and passenger (baby). Power can be controlled through induction and augmentation agents. Passage is determined by the women's body habitus. Passenger includes the baby's estimated fetal weight (EFW) and position. Throughout the history of obstetrics, the baby's position has been a factor that has acted as a strong predictor of a woman's ability to deliver vaginally. Several researchers have looked into the percentage of babies born in the Occiput Anterior (fetus facing down) vs. Occiput Posterior (fetus facing up aka "sunny side up") position. Studies have shown that the majority of babies are born in OA position and that the finding of an OA positioned baby is associated with a greater likelihood of a successful vaginal delivery. OP position is associated with higher risk of 3rd and 4th degree perineal lacerations, operative delivery (vacuum/forceps) and cesarean section. Therefore OP position poses a higher risk of morbidity to the patient and fetus. Multiple studies exist in the obstetrics and midwifery literature regarding maternal positioning to correct fetal malposition. Many of these studies have shown no significance and those that do have generated conflicting results and are consistently lacking in power. The aim of this prospective study is to determine if maternal positioning to either the side of fetal movement (contralateral/opposite to the fetal spine) or opposite of the side of fetal movement (ipsilateral to the fetal spine) during the first stage of labor is associated with correction of fetal OP to OA position. Upon admission to labor and delivery, following an initial ultrasound to confirm fetal OP position, women in this study will be randomly assigned to one of three groups; one control (Group A), and two experimental (Groups B and C) groups. Those assigned to Group A will be allowed to remain in any position they chose during their labor and delivery course. Group B will be placed in a dorsal recumbent, modified sims position on the side of fetal movement. Group C, will be placed in the same position but opposite that of which fetal kicks are felt. Subjects in the experimental group will be asked to remain in these positions throughout the majority of their labor and delivery course, up until the second stage of labor (10 cm dilated). They will be allowed to change positions for up to 10 min per hour for maternal comfort and any fetal resuscitation efforts. Anything longer than this will be considered a deviation from the protocol and will be documented as such, but all necessary intervention for fetal well-being will be allowed including changes in maternal position for longer than 10 minutes. Once a cervical dilation of 10cm is achieved all study interventions will be discontinued. Peanut balls and manual rotational maneuvers will not be allowed as they are considered confounding factors which may individually affect fetal position. Data will be collected from the hospital record. This data will include: maternal age, BMI, race, maternal medical complications, delivery type, laceration, fetal position at delivery, dilation on admission and weight of the baby.
Study identification
- NCT ID
- NCT05307393
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 465 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2023
- Primary completion
- Dec 31, 2024
- Completion
- Dec 31, 2024
- Last update posted
- Mar 7, 2023
2024 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Long Island Jewish medical center | New Hyde Park | New York | 11040 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05307393, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 7, 2023 · Synced Sep 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05307393 live on ClinicalTrials.gov.