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
lecurrent aboion in 1st trimester, investigation of choice : 
Select and explain. 
A. Karyotyping, B. SLE Ab, C. HIV, D. TORCH infection
A: Karyotyping
Answer: A: Karyotyping 
Explanation: Ans. is a i.e. Karyotyping