Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
They are obtained from embryos created through in vitro fertilization, and only from embryos left over following completion of the donor couple’s family. This means that these embryos were fertilized in an in vitro fertilization clinic and donated for research purposes rather than being discarded.
