1 / 8Twenty-seven years in the making! In 1992, Tina Gibson's embryo was frozen and placed in a cryogenic freezer in the Midwest. It was in frigid hibernation for two decades.2 / 8In 2012, the frozen embryo was packed in a liquid nitrogen shipper and sent to an embryo adoption facility via FedEx, according to a report.3 / 8In February, the embryo was thawed and transferred to the uterus of Tina Gibson, who had been praying for a baby for five years.4 / 8Research staff at the University of Tennessee Preston Medical Library said that 'the longest-frozen embryo may have come to birth, setting a record'. The baby beats the record set by her older sister, Emma Wren Gibson, 29, who had come to life after being a frozen embryo for 24 years.5 / 8'Some couples discard their embryos or are unwilling to donate them because they say they're too old... No, we don't think there is such a thing as too old,' said Jeffrey Keenan, medical director of the Knoxville, Tennessee-based National Embryo Donation Center (NEDC).6 / 8The 29-year-old woman and her husband, Ben Gibson, first approached the NEDC in 2016 after searching for embryo adoption for months. 7 / 8Embryo adoption involves implanting in uterus leftover embryos from couples who pursue in vitro fertilisation. 8 / 8Tina said her parents first mentioned the idea to her while the couple was dropping off their dogs with them before a vacation. At first, the Gibsons brushed off the possibility as they were interested in 'traditional' adoption.