Tragedy of surrogate babies abandoned after parents changed their minds - including boy with Down's syndrome left behind by couple who only wanted his twin sister The time, travel, emotional turmoil and expense of entering into a surrogacy agreement with a woman in another country can only suggest that the baby born at the end of the process is a much-wanted child.
Baby Gammy, born to Australian parents using a Thai surrogate, became a global news story in 2014 after he was born with a heart condition and Down syndrome, and left with his birthing mother.
Ms Chanbua had given birth to twins Pipah and Gammy but the Farnells quickly found themselves at the centre of huge controversy when their birthing mother accused them of abandoning baby Gammy because the infant, born prematurely, had Down syndrome and a heart condition.
Baby Gammy: The little boy's Thai surrogate mother, Pattaramon Chanbua with Gammy in August 2014, shortly after the controversy erupted.
They include the much-publicised case of Baby Gammy, who was carried, by a Thai surrogate mother for an Australian couple - who took his twin sister and left him behind after it was discovered he had Down's syndrome.