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: Unknown
[{'content': 'High-risk pregnancies are all, except? \nSelect and explain. \nA. Previous manual removal of placenta, B. Infertility, C. Twin, D. Obesity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref. The Short Textbook of Pediatrics. Pg 271\n\xa0\nHigh risk pregnancy is one where the mother suffers from causes which are determined to her health or the fetal health. Some of the important factors are :\n\nAge over 35 years\nElderly primi\nMore than 5 previous pregnancies\nHistory of past stillbirths\nPrevious caesarean section\nHistory of neonatal deaths\nHaemorrhage and previous manual removal of placenta.\nPlacenta previa\nShort stature below 140cms\nYoung primi <19years\nHistory of infertility .\nSystemic diseases –hypertension, RHD, Diabetes, Renal diseases, TB', 'role': 'assistant'}]