The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 22-year-old gravida 1 presents to her physician at 15 weeks gestation for a prenatal appointment. She complains of a rash involving her chest, face, and arms, a watery nasal discharge, and mild bilateral knee pain. She has had these symptoms for about 5 days. The symptoms do not seem to bother her too much, but she is concerned for the baby. She had contact with her younger sister, who also had a rash and was diagnosed with rubella infection about 10 days ago at a family gathering. She cannot confirm her vaccination history. Her vital signs are as follows: blood pressure, 110/70 mmHg; heart rate, 89/min; respiratory rate, 12/min; and temperature, 37.6℃ (99.7℉). Examination shows a moderately dense maculopapular lacy rash spread over the patient’s trunk, extremities, and face. No lymph node, liver, or spleen enlargement is noted. The knee joints appear normal. Serology performed 1 year ago Current serology Rubella IgM - negative Rubella IgM - negative Rubella IgG - 1:128 Rubella IgG - 1:64 Rubella IgG avidity - high Rubella IgG avidity - high What is the proper next step in the management of this woman?   (A) Reassure and recommend vaccination against rubella postpartum   (B) Recommend pregnancy termination   (C) Arrange a chorionic villus sampling   (D) Recommend additional serologic testing for parvovirus B19
['(D) Recommend additional serologic testing for parvovirus B19 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Reassure and recommend vaccination against rubella postpartum \n (B) Recommend pregnancy termination \n (C) Arrange a chorionic villus sampling \n (D) Recommend additional serologic testing for parvovirus B19 <> possible answers', '  A 22-year-old gravida 1 presents to her physician at 15 weeks gestation for a prenatal appointment. She complains of a rash involving her chest, face, and arms, a watery nasal discharge, and mild bilateral knee pain. She has had these symptoms for about 5 days. The symptoms do not seem to bother her too much, but she is concerned for the baby. She had contact with her younger sister, who also had a rash and was diagnosed with rubella infection about 10 days ago at a family gathering. She cannot confirm her vaccination history. Her vital signs are as follows: blood pressure, 110/70 mmHg; heart rate, 89/min; respiratory rate, 12/min; and temperature, 37.6℃ (99.7℉). Examination shows a moderately dense maculopapular lacy rash spread over the patient’s trunk, extremities, and face. No lymph node, liver, or spleen enlargement is noted. The knee joints appear normal.\nSerology performed 1 year ago Current serology\nRubella IgM - negative Rubella IgM - negative\nRubella IgG - 1:128 Rubella IgG - 1:64\nRubella IgG avidity - high Rubella IgG avidity - high\nWhat is the proper next step in the management of this woman? <> context@']