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What is the Function of Endometrial Cups in a Mare's Pregnancy?

Learn how endometrial cups produce eCG hormone to maintain early pregnancy in mares by supporting progesterone production.

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Video transcript

Endometrial cups in a mare produce hormones called eCG (equine Chorionic Gonadotropin) which help maintain early pregnancy. These cups form around 38-40 days after ovulation and support the developing embryo by ensuring the production of progesterone, critical for pregnancy maintenance.

Questions and answers

  1. What role does eCG play in maintaining pregnancy in mares?

    eCG, produced by the endometrial cups, stimulates the production of progesterone, which is essential for sustaining the early stages of pregnancy in mares.

  2. When do endometrial cups form in a mare's reproductive cycle?

    Endometrial cups form approximately 38 to 40 days after ovulation to support the developing embryo.

  3. Why is progesterone important during early pregnancy in mares?

    Progesterone maintains the uterine environment necessary to support embryo implantation and development, preventing the mare from returning to estrus.

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