Shock; fall in blood pressure caused by impaired venous return when gravid uterus presses on ascending vena cava, when woman is lying flat on her back; vena cava syndrome.
Shock; fall in blood pressure caused by impaired venous return when gravid uterus presses on ascending vena cava, when woman is lying flat on her back; vena cava syndrome. Atrimesters Bpinch test Cmorning sickness Dsupine hypotension