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': 'Hemoconcentration is seen In? \nSelect and explain. \nA. Normal pregnancy, B. Preeclampsia, C. Ectopic pregnancy, D. All of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., PreeclampsiaPreeclampsia is a pregnancy specific syndrome of reduced organ perfusion secondary to vasospasm and endothelial activation characterized by BP 140/90 mm Hg after 20 weeks of gestation and proteinuria 300 mg per 24 h after 20th week in a previously normotensive and nonproteinuric patient.", 'role': 'assistant'}]