Prenatal Tests

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PrenatalTests
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Ultrasonography

• Sonogram imagery results from the transmission
  of sound waves, generated from a transducer, to a
  screen that looks like a TV.

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Gestational Sac
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Embryo at 8 Weeks
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Fetus at 12 Weeks
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Fetus at 4 Months
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Fetal Brain
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Umbilical Cord
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Amniocentesis

• Removal of amniotic fluid via a needle inserted
  through the maternal abdomen into the uterus and
  amniotic sac, in order to gain information about
  the fetus.

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Chorionic Villus Sampling

• Test in which a needle is inserted through
  either the cervix or abdominal wall to obtain a
  sample of the villus tissue which has the same
  genetic makeup as the fetus.

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