<prompt> The term placental sign denotes:Alteration of FHR on pressing the head into the pelvisSpotting on the expected date of period in early months of pregnancyPermanent lengthening of the cord in 3rd stage of labourSlight gush of bleeding in third stage of labour  <response>: All pregnant females have amenorrhea. In a few pregnant females however, cyclic bleeding may occur upto 12 weeks of pregnancy, i.e. until the decidual space is obliterated by the fusion of decidua vera with decidua capsularis. Such bleeding is usually scanty, lasting for a shorter duration than her usual cycle and roughly corresponds with the date of the expected period. This is termed as placental sign or Hartman sign. 