English edit

Etymology edit

pro- +‎ estrous

Adjective edit

proestrous (not comparable)

  1. That leads to estrous
    • 2015 December 3, “When Love Is in the Air: Understanding Why Dogs Tend to Mate when It Rains”, in PLOS ONE[1], →DOI:
      It has been shown that male dogs get sexually excited on perceiving the urine and vaginal discharge of females in heat [71 ], and they also sniff and lick the anogenital regions of females in the proestrous stage [72 ].