four groups of female rhesus monkeys , multiparous nonlactating ( mnl ; n = 8 ) , multiparous lactating ( ml ; n = 6 ) , primiparous lactating ( pl ; n = 3 ) and nulliparous first-time ovulators ( n ; n = 6 ) were studied to investigate the influence of age , parity , and social dominance rank on the parameters of the breeding season .
C0425979
nulliparous
C0030563
parity