This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiological Changes of Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': "A 25 years lady presented to doctor with pregnancy of 6 weeks. Of the following, all are signs of an early pregnancy except ? \nSelect and explain. \nA. Goodell'sign, B. Hegar's sign, C. Cullen sign, D. Palmer's sign", 'role': 'user'}, {'content': "Answer: C \nExplanation: Goodell's sign- Cervix becomes soft as early as 6th week. Hegar's sign - On a P/V, abdominal & vaginal fingers seems to oppose below the body of uterus seen from 6 weeks Palmer sign - Rhythmic uterine contraction felt in early pregnancy at 8 weeks Cullen sign - Dark bluish discoloration around the umbilicus , if found , suggest intra peritoneal hemorrhage", 'role': 'assistant'}]