An alternative method for providing lateral tilt during labour.
D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000517:prevention & control*; D009774:Obstetrics / Q000295:instrumentation*; D011247:Pregnancy; D014652:Vascular Diseases / Q000517:prevention & control*; D014682:Vena Cava, Inferior / Q000503:physiopathology