<prompt> Pressure of normal uterine contractions is between 190-300. Units in terms of which units.Montevideo unitsMm of HgCm of waterJouleskg  <response>: 1 montevideo unit Intensity of constraction x number of contractions in 10 mins.Montevideo unit is to define uterine activity.As per this:Clinical labour usually commences when uterine activity reaches values between 80-120 Montevideo units This translates into approximate 3 contractions of 40 mm of Hg every 10 minutes.During labour Normal uterine contractions are between 190 300 Montevideo units At the time of delivery it is 300 Montevideo unitsExtra EdgeUerine contractions are clinically palpable only after their intensity exceeds 10 mm of HgUterine contractions are not associated with pain unless their intensity is 15 mm of Hg. 