When referring to the biological parents of a child, the term "birth parent" is commonly used. However, there are other synonyms that can also be utilized. "Biological parent" is another term that accurately describes the relationship between a child and their birth parent. "Natural parent" is another commonly used synonym that emphasizes the biological connection between parent and child. "Genetic parent" refers specifically to the biological contribution made by a parent in terms of DNA. Additionally, "biological mother" or "biological father" can be used to differentiate between the two birth parents. Regardless of the terminology used, the importance of birth parents in a child's life cannot be denied.