Definition of "chorionic" []

• Of or pertaining to the chorion (adjective)

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• "This change of position is regulated by the male sex hormone testosterone, the secretion of which is stimulated by the hormone called chorionic gonadotropin exuded by the placenta."
• "Whether or not to have amniocentesis—or a related test called chorionic villus sampling—is a difficult decision for many expectant parents."
• "The test is uncomfortable and carries a small risk of miscarriage, as does another invasive test for genetic disorders called chorionic villus sampling, or CVS, that samples tissue from the placenta."