There are several different types of surrogates, and each state has different laws regarding the legality of … A surrogate is a woman who carries a baby for another person or couple. She then carries the baby and delivers it for you and your partner to raise. Surrogate mother definition is - a woman who becomes pregnant by artificial insemination or by implantation of a fertilized egg created by in vitro fertilization for the purpose of carrying the fetus to … A traditional surrogate is the baby's biological mother.