This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'A lady presented to your with a history of recurrent early pregnancy loss. What are the investigations to be ordered: \nSelect and explain. \nA. VDRL, B. Toxoplasma serology, C. Hemogram\\/blood grouping, D. Rubella screening', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chromosal anormalities-karyotyping of abous parental karyotyping Uterine causes-TVS ,3D US,MRI hysteroscopic Cervical insufficiency-serial TVS in pregnancy Antiphospholipid antibody syndrome-lupus anticoagulant,anticardiolipin antibodies(refer pgno:153 sheila 2 nd edition)', 'role': 'assistant'}]