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': 'If CVS sampling is done at 9 - 10 weeks what will happen- \nSelect and explain. \nA. NTD, B. Fetal loss, C. Limb defect, D. Vaginal bleeding', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., limb defect o When CVS performed at less than Id weeks of gestation there is a high incidence of limb reduction defects.Chorionic villus sampling (CVS)o Performed for prenatal diagnosis of genetic disorderso It is carried out transcervically between 10 - 12 weeks and transabdominally from 10 weeks to term.o Complications - fetal loss, oromandibular or limb deformities, and vaginal bleedingo When CKS performed at less than 10 weeks of gestation there is a high incidence of limb reduction defects.", 'role': 'assistant'}]