'We have been too politically correct in this country, because we don't want to offend anybody, to fight for the lives of our children,' Santorum said.
Planned Parenthood condemned two Republican lawmakers for promoting life and religious liberty at pro-abortion president Barack Obama's final State of the Union address.
By 2030, according to the population division, 97 countries in the world will be experiencing fertility below replacement level, or less than two children per woman.
'It would be unjust to allow a harmful and deceptive gender ideology to shape either what is taught or how activities are conducted in our schools,' the bishops wrote.