An Australian surrogacy advocate agency has called the abandonment of baby Gammy in Thailand as “disgusting” and “outrageous” but says the couple, believed to be West Australian, may have been within their rights to do so.

Surrogacy Australia’s executive officer Rachel Kunde told Gary Adshead on Radio 6PR that although what the parents did to Gammy, who has Down syndrome, was immoral, any contract or agreement may have been broken when the surrogate mother refused to abort the child.

Baby Gammy with his surrogate mother Pattharamon Janbua and her 7-year-old son at a hospital in south-eastern Thailand on Sunday. Credit:Apichart Weerawong

“It’s just disgusting that someone has actually done this,” Ms Kunde said.