If you thought AI was remarkable, just wait until you see these. MedTwitter
. Avoiding this would mean figuring a way to maintain fetal circulation — the intricate system that delivers oxygenated blood from the placenta to the fetus via the umbilical cord. Researchers at Children’s Hospital of Philadelphia have done this using a fetal lamb.
The key to their invention is a substitute placenta: an oxygenator connected to the lamb’s umbilical cord. Tubes inserted through the umbilical vein and arteries carry oxygenated blood from the"placenta" to the fetus, and deoxygenated blood back out. The lamb resides in an artificial, fluid-filled amniotic sac until its lungs and other organs are developed.
Fertility treatment could benefit, too."An artificial womb may substitute in situations in which a gestational carrier — surrogate — is indicated," says Paula Amato, MD, a professor of obstetrics and gynecology at Oregon Health Sciences University. For example: when the mother is missing a uterus or can’t carry a pregnancy safely., the main difference between human and lamb may come down to size. A lamb’s umbilical vessels are larger, so feeding in a tube is easier.
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