"As Catholics we are unapologetically pro life and are proud and honoured to stand up for the voiceless," said the Tullamore Parish Facebook post that prompted an apology.

"If you are pro-life and a Students Union president, you will have a hard time in Ireland. Where is freedom of speech?” asks Bishop Phonsie Cullinan.

A UN study on transnational surrogacy in 2012 said reproductive tourism in India is a $400-$500 million business via 3,000 fertility clinics.