During the transrectal palpation for pregnancy check and sta…

During the transrectal palpation for pregnancy check and staging a cow showed bilateral asymmetry of uterine horns, right uterine horn containing a fluid filled structure with the diameter size of a hand plus thumb, membrane slip was present on the right horn, a CL was felt on the right ovary, and the fetus size compared to a mouse. What is the estimated pregnancy stage of this cow?