Sheep (ewes) and goats (does) experience postpartum contractions, which are a critical part of the third stage of labor. These contractions serve to expel the placenta (afterbirth) and begin the process of uterine involution—the shrinking of the uterus back to its non-pregnant size.
Here are key details about postpartum contractions in sheep and goats:
Purpose: Postpartum contractions help expel the fetal membranes (placenta) and reduce the size of the uterus.
Timing: The placenta is typically delivered within 1 to 3 hours after the lamb or kid is born. If the placenta is not passed within 4 to 6 hours in goats, it is considered a retained placenta.
Intensity: While not usually as intense as the contractions during active labor (Stage 2), these contractions can still cause visible straining.
Involution: The uterus shrinks rapidly, with the process of returning to its normal size being largely completed by about 28 to 30 days after birth.
Postpartum Mating: In studies of ewes, uterine contractions continue in the weeks following birth, although their direction changes as the uterus heals, which can affect fertility if they are bred too soon (e.g., around day 32).
In some cases, if a ewe or doe is struggling to pass the placenta, veterinarians might recommend medication to stimulate these contractions












