Rupture of membrane is said to be premature when it occurs at?

Ans. is c, i.e. Prior to 1st stage of laborRef. Fernando Arias 3/e, 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.