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Table 1 Classification of the estrous cycle of rats in different groups

From: Estrogen modulation of pain perception with a novel 17β-estradiol pretreatment regime in ovariectomized rats

 

Day3

Day21

Day26

Day37

Day41

Control

pro/es/de

pro/es/de

pro/es/de

pro/es/de

pro/es/de

OVX

de

de

de

de

de

E-decrease

de

pre/es

es

es

pre/es

E-increase

de

pre/es

es

es

es

  1. pro, proestrus; de, di-estrus; pre, pre-estrus; es, estrus