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Genetic Testing in Pregnancy

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Questions and Answers

At what stage of pregnancy can amniocentesis be performed?

6-8 weeks
20-24 weeks
16-18 weeks (correct)
10-12 weeks

What is analyzed during amniocentesis to determine the gender and genetic problems of the fetus?

Fetal heart rate
Placental tissue
Amniotic fluid (correct)
Maternal blood

What is the primary purpose of Chorionic Villus Sampling (CVS)?

To determine fetal size
To examine the placenta for genetic disorders (correct)
To analyze fetal heart rate
To check maternal hormone levels

When can Chorionic Villus Sampling (CVS) be performed during pregnancy?

<p>10-12 weeks (D)</p> Signup and view all the answers

Which of the following statements about amniocentesis is NOT true?

<p>It requires removing a sample from the placenta. (D)</p> Signup and view all the answers

Flashcards

Amniocentesis week range

Amniocentesis is performed between 16-18 weeks of pregnancy.

Amniocentesis purpose

Examines fetal cells for genetic issues and sex.

CVS week range

Chorionic villus sampling can happen between 10-12 weeks of pregnancy.

CVS method

A small piece of the placenta is taken and tested for genetic abnormalities.

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CVS vs Amniocentesis

CVS can be performed earlier; amniocentesis is later. Both test for fetal genetic issues.

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Study Notes

Amniocentesis

Performed on pregnant women at 16-18 weeks gestation.
Involves removing a small amount of amniotic fluid surrounding the fetus.
Analysis of fetal cells in the fluid reveals fetal gender, age, and potential genetic issues.

Chorionic Villus Sampling (CVS)

Performed when the fetus is 10-12 weeks old.
Involves removing a small piece of the placenta.
Examination of placental genes identifies potential genetic disorders.

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