proestrous

English

Etymology

From pro- +‎ estrous.

Adjective

proestrous (not comparable)

1. Leading to estrus.
   • 2015 December 3, “When Love Is in the Air: Understanding Why Dogs Tend to Mate when It Rains”, in PLOS ONE‎, →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 ].