Abortion laws can be rendered unenforceable by state courts. Planned Parenthood is involved in many of these lawsuits, for instance, Planned Parenthood v. Danforth<ref>laws.findlaw.com/us/428/52.html</ref> and Planned Parenthood v. Casey. <ref>www.ncbi.nlm.nih.gov/pubmed/17225343</ref> | Abortion laws can be rendered unenforceable by state courts. Planned Parenthood is involved in many of these lawsuits, for instance, Planned Parenthood v. Danforth<ref>laws.findlaw.com/us/428/52.html</ref> and Planned Parenthood v. Casey. <ref>www.ncbi.nlm.nih.gov/pubmed/17225343</ref> |