1 MCQs in OBG for NEET PG
A 28-year-old primigravida delivers a baby boy with characteristic features of Down syndrome including flat facial profile, upslanting palpebral fissures, brachycephaly, single transverse palmar crease, and hypotonia. Echocardiography confirms a complete atrioventricular septal defect. The neonate's karyotype is 46,XY,der(14;21)(q10;q10),+21. The structure marked **B** in the diagram represents the mother's karyotype: 45,XX,der(14;21)(q10;q10). Which of the following is the MOST IMPORTANT next step in genetic counseling for this family?
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