Isaacson v. Horne (2013)
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In the 2013 case Isaacson v. Horne, the US Court of Appeals in the Ninth Circuit ruled that Arizona House Bill (HB) 2036, which prohibited abortions after twenty weeks of gestation, was unconstitutional. The Arizona State Legislature passed the law in 2012, which was then challenged by three physicians who filed a lawsuit against the state, arguing that the law violated women's constitutionally protected rights to abortions, rights that may only be infringed once fetuses are viable outside of the womb. In hearing the case, the Ninth Circuit US Court of Appeals relied on the precedent set by the US Supreme Court in Roe v. Wade (1973) that ruled that states could not constitutionality prohibit abortions prior to fetal viability at twenty-four weeks. The case Isaacson v. Horne strengthened the precedent in Arizona that laws prohibiting abortion prior to fetal viability are unconstitutional, and it upheld women's rights to decide to terminate their pregnancies prior to fetal viability.