Q:

A woman is 16 weeks pregnant and she is worried about abnormal chromosomal anomaly in her child. What is the definitive investigation at this stage?

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A woman is 16 weeks pregnant and she is worried about abnormal chromosomal anomaly in her child. What is the definitive investigation at this stage?


  1. Amniocentesis
  2. CVS (Chorionic Villous Sampling)
  3. Parents karyotyping
  4. Coomb’s test
  5. Pre-implantation genetic diagnosis

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The key is A. Amniocentesis. [Amniocentesis is done between 14 to 16 weeks of gestation. CVS is done prior to 15 weeks. So the option is A. Amniocentesis].

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