A possible process of the secondary sterilization: delayed anovulation syndrome.
D000818:Animals; D004971:Estrus; D005260:Female; D007247:Infertility, Female / Q000139:chemically induced*; D010053:Ovary / Q000502:physiology / Q000637:transplantation; D010060:Ovulation / Q000187:drug effects*; D011247:Pregnancy; D051381:Rats; D013739:Testosterone / Q000494:pharmacology*; D013997:Time Factors; D014184:Transplantation, Homologous
D013739:Testosterone