This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Hypothyroidism in pregnancy causes: \nSelect and explain. \nA. Macrosomia, B. Polyhydramnios, C. Mental retardation, D. Aboion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hypothyroidism is the most common thyroid dysfunction in pregnancy.The majority of cases of hypothyroidism are due to autoimmune diseases. If pregnant and untreated there will be increased chance of miscarriage.An association has been repoed between untreated hypothyroidism and mildly reduced IQ and neurodevelopmental delay in the baby. TEXT BOOK OF OBSTETRICS,Sheila Balakrishnan,2nd edition,page no 328', 'role': 'assistant'}]