chronic villi sampling (cvs) 1 st trimester chorionic villi (fetal cells) scraped off &...
Post on 20-Jan-2018
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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
Amniocentesis
• 11th-18th week of pregnancy
• Amniotic fluid & shed fetal cells obtained
• Chromosomes can be studied
• Danger: 1 in 200 risk of miscarriage
Ultrasound• Visualizes the fetus• Like sonar: sounds waves
echo to produce an image• May help ID age, multiple
fetus’, complications• No risk
Essay #4• If there is a known genetic disorder in one or more
individuals in her or her husband’s 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.
• Essay Format: – Ink or typed (no pencil)– Add title and date – Minimal length = ¾ page – If typed: 1” margins, 12-point times new roman font, double spaced.– Complete essays (Introduction, body, conclusion)– Spellcheck and proofread
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