The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 29-year-old G4P0 woman presents following a spontaneous pregnancy loss in the 18th week of her pregnancy. This is her fourth loss in the second trimester and she is concerned about her inability to have a successful pregnancy. She is otherwise healthy and has no acute complaints. Her vitals are unremarkable and exam is notable only for a firm, asymmetric uterus. Laboratory studies are ordered as seen below.  Hemoglobin: 9.0 g/dL Hematocrit: 30% Leukocyte count: 6,800/mm^3 with normal differential Platelet count: 199,000/mm^3  Serum: Na+: 139 mEq/L Cl-: 100 mEq/L K+: 4.3 mEq/L HCO3-: 25 mEq/L BUN: 20 mg/dL Glucose: 99 mg/dL Creatinine: 1.1 mg/dL  Which of the following tests is most likely to elucidate the cause of this patient's pregnancy losses?   (A) Karotyping   (B) Hysterosalpingogram   (C) Prolactin level   (D) TSH level
['(B) Hysterosalpingogram <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Karotyping \n (B) Hysterosalpingogram \n (C) Prolactin level \n (D) TSH level <> possible answers', "  A 29-year-old G4P0 woman presents following a spontaneous pregnancy loss in the 18th week of her pregnancy. This is her fourth loss in the second trimester and she is concerned about her inability to have a successful pregnancy. She is otherwise healthy and has no acute complaints. Her vitals are unremarkable and exam is notable only for a firm, asymmetric uterus. Laboratory studies are ordered as seen below.\n\nHemoglobin: 9.0 g/dL\nHematocrit: 30%\nLeukocyte count: 6,800/mm^3 with normal differential\nPlatelet count: 199,000/mm^3\n\nSerum:\nNa+: 139 mEq/L\nCl-: 100 mEq/L\nK+: 4.3 mEq/L\nHCO3-: 25 mEq/L\nBUN: 20 mg/dL\nGlucose: 99 mg/dL\nCreatinine: 1.1 mg/dL\n\nWhich of the following tests is most likely to elucidate the cause of this patient's pregnancy losses? <> context@"]