1) Biparous 2) Twinning 
having given birth to multiple children
• (a.) Producing many, or more than one, at a birth.
1. having had two or more pregnancies which resulted in viable fetuses. 2. producing several ova or offspring at one time.
1. <obstetrics> Having had two or more pregnancies which resulted in viable foetuses. ... 2. Producing several ova or offspring at one time. ... (18 Nov 1997) ... 
Mul·tip'a·rous adjective [ Multi- + Latin parere to produce: confer French multipare .] Producing many, or more than one, at a birth. 
Type: Term Pronunciation: mŭl-tip′ă-rŭs Definitions: 1. Relating to a multipara.
Multiparous: 1) Having two or more offspring at one birth. 2) Related to a multipara. See also uniparous.
[adj] - (biology) producing more than one offspring at a time
multiparous A description of an animal, especially a mammal, that normally gives birth to two or more offspring at one time.
adjective producing more than one offspring at a time
of or pertaining to a multipara. · producing more than one at a birth. · (of a cyme) having many lateral axes.