Australian parents are being allowed to travel overseas to see the birth of their surrogate babies during the country's coronavirus lockdown.

Home Affairs Minister Peter Dutton says border authorities have approved 48 people to travel out of Australia.

"It is the right thing to do to help these people get through the process and the bureaucracy of it," Mr Dutton told Nine on Friday.

But biosecurity measures in place by other countries could stop those parents visiting when they get there, Mr Dutton said.

He said Border Force was considering a further two permits for cricketnfootballcenter.mystrikingly.com new parents to travel overseas to visit their babies.

Foreign affairs department officials were providing as much support as they could to parents of surrogates already abroad, Mr Dutton said.