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': "Jacquemier's sign is? \nSelect and explain. \nA. Asymmetric enlargement of uterus, B. Bluish hue of vagina, C. Cervical softening, D. Lateral fornix pulsation", 'role': 'user'}, {'content': "Answer: B \nExplanation: Jacquemier's or chadwick's sign: It is the husky hue of the vestibule and anterior vaginal wall visible at about 8th week of pregnancy due to local vascular congestion and as such it may be brought about by pelvic tumour such as uterine fibroid. Also Know: Osiander's sign: There is increased pulsation, felt through the lateral fornices at 8th week of gestation. Ref: Textbook of Obstetrics D.C.Dutta, 6th Ed, page 65.", 'role': 'assistant'}]