This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': "According to shaw's classification, IIIrd degree of uterine prolapse is: \nSelect and explain. \nA. Cx above introitus, B. Cx at the level of introitus, C. Cx outside the introitus, D. Procidentia", 'role': 'user'}, {'content': "Answer: C \nExplanation: In IIIrd degree of uterine prolapse according to Shaw's classification the cervix is descended out of the introitus. Wilfred Shaws classification Classification of uterine prolapse: Ist degree: Descent of cervix in the vagina IInd degree: Descent of cervix into the introitus IIIrd degree: Descent of the cervix outside the introitus IVth degree: Whole uterus lies outside the utreus Prolapse of anterior vaginal wall: Upper two third: cystocele Lower one third: urethrocele Posterior vaginal wall: Upper one third: enterocele Lower two third: rectocele Ref: Textbook of Gynecology by Sudha salhan page 203.", 'role': 'assistant'}]