Lumbar pillow placement for left uterine displacement in pregnant women: a randomized, controlled trial
Authors' conclusion
Aligning the pillow's center/upper edge with the right iliac spine optimizes pelvic tilt and minimizes the tilt of the rib cage.
Study context
- Population
- Healthy pregnant women at >37 weeks' gestation
- Participants
- 38 women
- Comparison
- Lumbar pillow placement positions vs bed tilted 15° left without pillow
- Primary endpoint
- Pelvic tilt (angle)
Methodological detailsprospective, crossover (positions in random order)
- Prospective
- Crossover (positions in random order)
Primary result
As reported in the abstract
Pelvic tilt
- Pelvic tilt greater in M/L/B than in U
Secondary outcomes
Thoracic tilt
- Greater in B than in all other groups and greater in U than in M/L
BP and heart rate
- Did not differ among the groups
Original publication
Lumbar pillow placement for left uterine displacement in pregnant women: a randomized, controlled trial. Int J Obstet Anesth. Published 21 January 2025. doi:10.
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