<prompt> Bandle ring on uterus suggestsCervical dystociaCochleate uterusHypeonic uterusObstructed labour  <response>: In Tonic Uterine Contraction and Retraction, a circular groove encircling the uterus is formed between the active upper segment and the distended lower segment, called pathological retraction ring Bandls ring. Reference: D C Dutta Textbook of Obstetrics 7th edition page 362 