Scientists have created embryo models to help study the mysteries of early human development, the medical problems that happen before birth and why many pregnancies failScientists have created embryo models to help study the mysteries of early human development, the medical problems that happen before birth and why many pregnancies fail. Real human embryos can be extremely hard to see at that stage because they burrow into the uterus. The authors of one Nature paper described models that resemble human embryos nine to 14 days after fertilization. Sozen also envisions testing drugs on embryo models and exposing them to germs – experiments that can’t be done on people who are pregnant. Guidelines from the International Society for Stem Cell Research say scientists cannot put any human embryo model into either a human or non-human uterus.

Source: ABC News June 28, 2023 06:08 UTC