This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Gynaecology & Obstetrics
[{'content': 'False statement regarding chorionic villous sampling \nSelect and explain. \nA. Chorionic villous sampling done at 16-21 weeks, B. Done for chromosomal abnormality, C. Increased nuchal Translucency indication for chorionic villous sampling, D. Taken from the developing placenta', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chorionic villous sampling Is performed for pre-natal diagnosis of genetic disorders Done around 10 to 13 weeks Can be done in 1st trimester safely Complications Fetal loss (1-2%) Oromandibular limb deformities Taken from the developing placenta through transvaginal route or transabdominal route', 'role': 'assistant'}]