<prompt> Uterine rupture is least common with :LSCSClassical sectionInveed T shaped incisionT Shaped incision  <response>: Ans. is a i.e. LSCS Estimated incidences of rupture of uterus with different types of incisions in case of cesarean section are: Classical cesarean section longitudinal incision in upper segment. i.e. in body of uterus reaching the uterine fundus -- 4 - 9 T shaped incision -- 4 - 9 Low veical incision -- 1 -7 Low transverse incision Lower segment cesarean section -- 0.2 - 1.5 Also know : In 13rd cases rupture of classical cesarean section scar occurs before labour. Spontaneous rupture during pregnancy. 