<prompt> True labour pain includes all except:Painful uterine contractionShort vaginaFormation of the bag of watersProgressive descent of presenting part  <response>: Ans. is b, i.e. Short vaginaRef. Dutta Obs. 7e, p 117Differences between true and false labour pains.FeaturesTrue labour painsFalse labour painsCervical changes dilatation effacementPresentAbsentFrequency and duration of contractionsRegular and gradually increaseIrregularPainLower abdomen and back, radiating to thighsLower abdomen onlyBag of waterFormedNot formedShowPresentAbsentRelief with enemasedationNoNo 