👉 Surrogates are a type of reproductive technology used in assisted reproduction. They involve the use of eggs or sperm to fertilize an egg, which is then implanted into the uterus of a woman who has no known genetic缺陷。 This allows for the creation of a genetically identical child from a single egg and sperm combination. The term "surrogate" refers to any person who provides assistance in achieving pregnancy. It can be used as a metaphor or a noun depending on its context, but generally it refers