What is the medical term meaning a woman who has given birth two or more times?

A woman who has given birth more than one time is described as being multiparous. She may be called a multipara or, for short, a multip. The suffix -para means birth

There is a difference in terminology for multiple pregnancies and multiple live births

Multiple Pregnancies i.e. two or more pregnancies = Multigravida

Multiple live births i.e. two or more live births = Multipara