Recent Examples of trisomy from the Web
The following week, a blood test came back positive for trisomy 21.
After an ultrasound and a blood test showed positive markers for trisomy 21, her doctor pushed for amniocentesis, which tests amniotic fluid.
Koteas, who years before had lost a child to a rare chromosomal disease, trisomy 13, was also shattered by the baby's death.
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Britannica.com: Encyclopedia article about trisomy
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