The Collaborative International Dictionary
Primiparous
Primiparous \Pri*mip"a*rous\, a. [See Primipara.] Belonging to a first birth; bearing young for the first time.
Wiktionary
primiparous
a. 1 pregnant for the first time 2 Having given birth to only one child 3 bearing a first offspring; having borne only one previous offspring
WordNet
primiparous
adj. of or relating to a woman who has given birth only once
Usage examples of "primiparous".
Bousquet speaks of a primiparous mother, aged twenty-four, giving birth to 4 living infants, 3 by the breech and 1 by the vertex, apparently all in one bag of membranes.