A federal judge in Massachusetts on Monday ordered the federal government to continue Medicaid funding for Planned Parenthood affiliates, writing the health organization was likely to prevail in a dispute over President Trump's tax-and-spending law.

A federal judge in Boston ruled that a provision in President Trump’s policy bill targeting the organization most likely amounted to retaliation.

“Patients are likely to suffer adverse health consequences where care is disrupted or unavailable,” Talwani wrote in her Monday order, rejecting the language of the bill on the grounds of the First A...