Chronic Villi Sampling CVS

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Chronic Villi Sampling (CVS)

• 1st trimester
• Chorionic villi (fetal cells) scraped off
  suctioned
• Cells and chromosomes examined
• Danger 1 death rate

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Amniocentesis

• 11th-18th week of pregnancy
• Amniotic fluid shed fetal cells obtained
• Chromosomes can be studied
• Danger 1 in 200 risk of miscarriage

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Ultrasound

• Visualizes the fetus
• Like sonar sounds waves echo to produce an image
• May help ID age, multiple fetus, complications
• No risk

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Essay 4

• If there is a known genetic disorder in one or
  more individuals in her or her husbands family,
  should a pregnant woman be required to have
  prenatal testing done to determine whether her
  unborn child carries the disorder? Give reasons
  for your answer.