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==Pregnancy==

==Pregnancy==

Mares are monotocious, meaning they normally produce a single offspring. Twin pregnancies do occur in the mare, but are rarely carried to full term and veterinary intervention is often used to prevent twin pregnancies in this species. Gestation length in the mare is approximately 330-340 days, however it is usually consistent within the individual mare from one pregnancy to the next.

Mares are monotocious, meaning they normally produce a single offspring. [[Twin Pregnancies - Horses|Twin pregnancies]] do occur in the mare, but are rarely carried to full term and veterinary intervention is often used to prevent [[Twin Pregnancies - Horses|twin pregnancies]] in this species. Gestation length in the mare is approximately 330-340 days, however it is usually consistent within the individual mare from one pregnancy to the next.

===Maternal Recognition of Pregnancy===

===Maternal Recognition of Pregnancy===

The presence of a conceptus prevents luteolysis. In the presence of a conceptus, endometrial production of PGF2α is significantly reduced.

The presence of a conceptus prevents luteolysis. In the presence of a conceptus, endometrial production of PGF2α is significantly reduced.