estrus syndrome

https://doi.org/10.1351/goldbook.10686

Persistent estrus caused by elevated estrogenic activity, either due to endogenous estrogens (e.g., in polycystic ovary syndrome) or due to exogenous substances.

Note: Estrus syndrome is associated with infertility.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 752 [Terms] [Paper]