A mother's a biological and/or social female parent of an offspring. Because of the complexity and differences of the social, cultural, and religious definitions and roles, it's challenging to define a mother in a universally accepted definition. Biological mother In the case of a mammal such as a human, the biological mother gestates a fertilized ovum, which's called first an embryo, and then a fetus. This gestation occurs in the mother's uterus from conception until the fetus's sufficiently d… (More on Mother)