"Unlocking the Secrets of Human Development: Stem Cell Models Illuminate Our Earliest Days"
Originally Published 2 years ago — by The Associated Press
Scientists have created embryo models using stem cells to study early human development and understand medical problems that occur before birth. These models, which resemble embryos after implantation in the uterus, provide insights into the hidden stages of human development. Researchers from the United States, England, Israel, and China have published studies on their work, describing models that mimic human embryos up to 14 days after fertilization. These models can help study embryonic failure, developmental disorders, and pregnancy loss, as well as explore the effects of the environment and chemicals on early development. However, ethical guidelines prevent the use of these models for reproduction, and they are not subject to the "14-day rule" that limits the growth of actual embryos in the lab.
