In context of amniocentesis, which of the following statements is incorrect? (A) It is used for ...

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In context of amniocentesis, which of the following statements is incorrect?
(A) It is used for prenatal sex-determination
(B) It can be used for detection of Down's syndrome
(C) It can be used for detection of cleft palate
(D) It is usually done when a woman is between \( 14-16 \) weeks pregnant
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