<prompt> Rupture of membrane is said to be premature when it occurs at?38 weeks of pregnancy32 weeks of pregnancyPrior to 1st stage of laborII stage of labor  <response>: Ans. is c, i.e. Prior to 1st stage of laborRef. Fernando Arias 3e, p 240; Sheila Balakrishnan, p 233Premature rupture of membranes PROM is defined as spontaneous rupture of membranes before the onset of labor. Preterm premature rupture of membranes PPROM is defined as premature rupture of membranes before 37 completed weeks. 