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KNOXVILLE, Tenn. (WATE) – An East Tennessee woman delivered the longest-frozen embryo to successfully come to birth, according to the University of Tennessee Preston Medical Library.
The National Embryo Donation Center (NEDC) says baby Emma Wren was born Nov. 25 to Benjamin and Tina Gibson.
Emma was cryopreserved in 1992 before being transferred to Tina’s uterus earlier this year through frozen embryo transfer. Emma was conceived around eighteen months after Tina, 26, was born.
The center’s embryo adoption program has led to around 700 pregnancies. The center works to protect the lives of frozen embryos.
One of the most important early theoreticians of cryopreservation was James Lovelock (born 1919) known for Gaia theory. He suggested that damage to red blood cells during freezing was due to osmotic stress. During the early 1950s, Lovelock had also suggested that increasing salt concentrations in a cell as it dehydrates to lose water to the external ice might cause damage to the cell.[4] Cryopreservation of tissue during recent times began with the freezing of fowl sperm, which during 1957 was cryopreserved by a team of scientists in the UK directed by Christopher Polge.[5] The process was applied to humans during the 1950s with pregnancies obtained after insemination of frozen sperm.
originally posted by: neo96
a reply to: TinySickTears
Because they are frozen for over 2 decades before being implanted.
They get an A for accomplishment, and a F in ethics.
originally posted by: NthOther
So why is it a life when it's frozen in a laboratory somewhere, but otherwise it's considered little more than a tumor?
A nuisance.
But this all cool and stuff cuz like science and everything. F# your babies.
Except when they get sciency.
An embryo is an early stage of development of a multicellular diploid eukaryotic organism. In general, in organisms that reproduce sexually, an embryo develops from a zygote, the single cell resulting from the fertilization of the female egg cell by the male sperm cell.
originally posted by: neo96
They have no idea what the long term psychological, and health effects are.
originally posted by: starwarsisreal
a reply to: dreamingawake
Brave New World shows something similar to this. Sooner or later, humans will be growth in incubation pods.
originally posted by: Bone75
This definitely raises some interesting philosophical questions.
For starters... how old is this baby? Can we say that she is 25 because of when she was conceived? Of course not, but we certainly can't deny that she has existed for 25 years.
Also, with a 100% success rate, how can we refer to these embryos as "possible" people?