<unk>  (also known as luteal regression) is the structural and functional degradation of the corpus luteum (CL), which occurs at the end of the luteal phase of both the estrous and menstrual cycles in the absence of pregnancy.
Luteolysis
Rhabdomyolysis
Feminization 
Lipolysis
Obstetric transition
Osteolysis
Hormesis
Chronostasis