Can be performed on mares with history of infertility or as part of a pre-purchase exam for potential broodmares. The evaluation includes: ultrasound, uterine culture / cytology, uterine biopsy and vaginal exam.

Mares with a history of being sub-fertile or losing their pregnancy should have a fertility evaluation done early in the spring to try an prepare her for the breeding season. Mild infections can be treated on the same heat cycle which she is bred but better if she is treated early then bred the following cycle.