<prompt> Intrauterine pressure is raised during labour to:First stage -- 40-50 mm HgSecond stage -- 100-120 mm HgThird stage -- 100-120 mm HgAll of the above  <response>: Ans. is d, i.e. All of the aboveIntrauterine pressure during labor:StagePressure 1st 40-50 mm Hg 2nd 100-120 mm Hg 3rd 100-120 mm Hg 