Bigeminal pregnancy is a medical term that refers to the development of only two fetuses in the mother's womb. In this scenario, the term "bigeminal" is derived from the Latin word "bi" meaning two and "geminus" meaning twins. While this term is commonly used in medical settings, synonyms such as "dichorionic diamniotic pregnancy," "biamniotic pregnancy," and "twin pregnancy" can also be used to refer to this condition. These alternative phrases may be more easily understood by the general public, as they explicitly state the presence of two fetuses in the womb. Regardless of the terminology used, the development of a bigeminal pregnancy requires careful monitoring and frequent check-ups to ensure the health and safety of both mother and fetuses.