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WATCH: Barrett declines to discuss views on IVF

Supreme Court nominee Amy Coney Barrett has declined to say whether she views the criminalizing of in vitro fertilization as constitutional, describing it as an abstract question.

Watch the moment from the hearing in the player above.

The appeals court judge nominated by President Donald Trump to join the nation’s highest court signed a 2006 statement opposing “abortion on demand” that was circulated by a group in her home state of Indiana that has also criticized IVF.

While the statement Barrett signed didn’t address IVF, Democratic Sen. Tammy Duckworth of Illinois has urged her colleagues to reject Barrett’s nomination, citing her daughter’s conception using the common reproductive technology.

During her Senate Judiciary Committee confirmation hearing, Barrett has so far said it would be “inappropriate” to restate her personal view on abortion as a public official and that she signed the 2006 statement “in my personal capacity.”

The Roman Catholic Church, of which Barrett is a member, is opposed to abortion. The U.S. Conference of Catholic Bishops has described IVF as “in disagreement” with church teachings.