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': 'Which female genital malignancy is most common in pregnancy? \nSelect and explain. \nA. Ovarina cancer, B. Vaginal vulvar cancer, C. Endometrial cancer, D. Cervical cancer', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Combined together, genital tract cancers are the most common malignancies encountered during pregnancy.\nMost common genital malignancy during pregnancy is cervical cancer. Proportion of malignancies during pregnancy is shown in Figure.\n\nWilliams Obs. 24/e', 'role': 'assistant'}]