In context of amniocentesis, which of the following statements is incorrect?

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It can be used for detection of Down's syndrome.

It can be used for detection of cleft palate.

It is usually done when a woman is between 14-16 weeks pregnant.

It is used for prenatal sex determination.

answer is B.

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Detailed Solution

Amniocentesis cannot be used to detect cleft palate.

In amniocentesis, some of the amniotic fluid of the developing foetus is taken to analyze the fetal cells and dissolved substances. This procedure is used to test for the presence of certain genetic disorders such as, down syndrome, haemoplilia, sickle-cell anemia, etc., determine the survivability of the foetus. It is usually done when a woman is between 14-16 weeks pregnant.

A cleft palate is an opening or split in the roof of the mouth that occurs when the tissue doesn't fuse together during development in the womb. A cleft palate often includes a split (cleft) in the upper lip (cleft lip) but can occur without affecting the lip.

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