primiparity

n.

初产；

Early primiparity in brown bears
The effects of primiparity on reproductive performance in the brown bear.
Socially induced delayed primiparity in brown bears Ursus arctos
Primiparity: an 'intermediate' risk group for spontaneous and medically indicated preterm birth.
Age of Primiparity and Implications of Early Reproduction on Life History in Female Columbian Ground Squirrels
Maternal adjustment to the birth of a child: Primiparity versus multiparity
The effects and mechanisms of primiparity on the risk of pre-eclampsia: a systematic review.
Life History Consequences of Variation in Age of Primiparity in Bighorn Ewes
Life history consequences of variation in age at primiparity in northern elephant seals
REDUCED POPULATION GROWTH OF GRAY SEALS AT SABLE ISLAND: EVIDENCE FROM PUP PRODUCTION AND AGE OF PRIMIPARITY