Anatomy General obstetrics eb87a1b7 Intrauterine pressure is raised during labour to A First stage - 40 to 50 mm Hg B Second stage- 100 to 120 mm Hg C Third stage - 100 to 120 mm Hg D All the above High-Yield Explanation Intrauterine pressure during labor: First stage - 40 to 50 mm Hg Second stage- 100 to 120 mm Hg Third stage - 100 to 120 mm Hg