Signs of a mare foaling

My mare is pregnant with her second foal. Calculating the due date at 340 days, she should deliver on or around June 1st. She is showing signs that make her look like she will have it any day now. She has elongated, bagging up, but not waxing ...My mare is pregnant with her second foal. Calculating the due date at 340 days, she should deliver on or around June 1st. She is showing signs that make her look like she will have it any day now. She has elongated, bagging up, but not waxing ...

Story originally posted by: Michael Lowder, DVM, MS

Dear Dr. Lowder,

My mare is pregnant with her second foal. Calculating the due date at 340 days, she should deliver on or around June 1st. She is showing signs that make her look like she will have it any day now. She has elongated, bagging up, but not waxing up, hind end very relaxed. She had a little discharge yesterday. It was very thick like a gel. Could this be her mucus plug? Do horses even have a mucus plug? It is also my understanding, if she has it before 326 days she is delivering early. Is this true? She is at 311 days today.

Thanks for your time.
Lori

Dear Lori,

Mares can deliver at 320 days and provide you with a normal, healthy foal. 340 days is an average. Any earlier than 320 days is considered premature.

It sounds like she’s getting ready. All the signs are there. Although I’ve never heard of a reference to a mucus plug in mares (as in humans), common sense dictates that as the cervix relaxes and prepares for birth there may be a discharge of some mucus.

If, however, you find blood or the discharge has a foul odor, you may want to have her examined by a veterinarian.

Thank you,
Dr. Lowder