Of course, this is a question best answered by the attending veterinarian; however, advice under similar circumstances has been to observe the cow closely and remove the suture only after the cow is in advanced stages of labor. This advice is difficult to follow, but early removal of the suture may allow the vagina to prolapse again, and the problem just keeps getting worse. Suturing the vulva closed to correct a vaginal prolapse should be considered a salvage procedure done in hopes of keeping the cow through this final pregnancy. If you get a live calf, then you've gambled and won. The cow should not be re-bred.

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