Inside the Hidden Global Supply Chain for Frozen Sperm, Eggs, and Embryos
By Sarah Zhang,
WIRED
| 04. 25. 2016
Untitled Document
In a world with porous borders and wildly divergent surrogacy laws, making a baby can be a global affair: The eggs might come from a woman in South Africa, the sperm from a man in Canada, and the surrogate herself might be in Cambodia. What connects them, literally, is a cold chain.
Typical cold chains—made up of refrigerated trucks and shipping containers—bring us perfectly preserved bananas from Central America, seafood from Asia, and vaccines from Europe. But it takes a specialized cold chain to transport finicky eggs, sperm, and embryos across the world for surrogacy via in vitro fertilization. To expectant parents, that material is more precious any other possible cargo. And they’re willing to pay. A lot.
Continue reading on WIRED...
Image via Cyroport
Related Articles
By Matthew Herper, Stat | 07.01.2026
Researchers have created what they say may count as the first synthetic cell, and have started a public benefit corporation to share the technology with other scientists. It’s a piece of science that generates as many questions as answers. They...
By Tory Shepherd, The Guardian | 07.17.2026
Over eight years, Ethan and his wife went through nine rounds of IVF in Melbourne.
They travelled to Spain for two more, without success.
“I thought maybe the universe had decided we’re not supposed to have kids,” says Ethan, who...
By Oscar Lopez, The Guardian | 07.19.2026
Diogo Amaro met his future husband, Loup, in Paris and from the first date, he made one thing clear: he wanted to have children.
“Right off the bat, I was like: ‘If I’m going to be in a relationship with...
By Carissa Wong, New Scientist | 07.08.2026
Healthy lambs have been born via an experimental form of in vitro fertilisation (IVF) that coaxes highly immature eggs to become mature ones in the lab. This is the first time the approach has been demonstrated in a large animal...