Down syndrome was diagnosed prenatally by laboratory analysis of the amniotic fluid obtained by aspiration of fluid by surgical puncture or an

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Down syndrome is typically diagnosed prenatally through an amniocentesis, which involves surgically aspirating amniotic fluid from the uterus. This fluid can then be analyzed in a laboratory to determine if the fetus has Down syndrome or other chromosomal abnormalities. An amniotomy, which involves artificially rupturing the amniotic sac to induce labor, and an episiotomy, which is a surgical incision made during childbirth, are not used to diagnose Down syndrome. Amnionitis refers to an infection in the amniotic fluid, and is not related to diagnosing Down syndrome.

Down Syndrome Was Diagnosed Prenatally by Laboratory Analysis of the Amniotic