They have the same parents, but were born in different countries just four weeks apart.
An Auckland couple have turned to social media to find a surrogate mother to bear their child.
When Benita and Mark Cutter found a woman to carry their surrogate baby, they thought their dreams of parenthood were finally coming true.
A North Texas woman has given birth to her own granddaughter after serving as a surrogate for her daughter.
A surrogate mother pregnant with triplets is suing the biological father of the babies after he ordered her to abort one child.
A man who is paying a surrogate mother to carry his child has demanded the woman abort a baby, or face financial ruin, after learning she is pregnant with triplets.
A booming surrogacy industry chased out of Thailand and Nepal has turned to Cambodia, where many Australians are ignoring warnings from their own government not to seek surrogacy services.
Parents say Australian babies are being "kept captive" and cannot come home after a ban on commercial surrogacy in Nepal.
Attorney-General Gabrielle Upton determined to improve laws around surrogacy.
When Sherri Dickson made the decision to become a surrogate, she thought she would be helping to mend her daughter's broken heart.
How Thomas Easling's case highlights the worrying international surrogacy law loopholes.