unipara

a woman who has had one pregnancy that resulted in a fetus that attained a weight of 500 g or a gestational age of 20 weeks, regardless of whether the infant was living at birth or whether it was a single or multiple birth. Also written para I or I-para. adj., adj primip´arous.

A woman who has had one pregnancy of more than 20 weeks' duration or has produced a fetus weighing at least 500 g, regardless of the fetus's viability.