TL;DR: If a puppy is visible but fails to be delivered within 30 minutes, it is a life-threatening emergency known as dystocia requiring immediate veterinary intervention.
What is canine dystocia and why does it happen?
When a puppy is visible at the vulva but fails to be delivered within 15 to 30 minutes, it is a medical condition known as dystocia, or difficult labor. This occurs when:
- The puppy is physically stuck due to its size or position.
- The mother's uterine muscles are too exhausted to complete the delivery process.
How urgent is it if a puppy is stuck during delivery?
This is a high-urgency emergency. If a puppy has been visible for 30 minutes without progress, the puppy's oxygen supply is likely compromised, and immediate intervention is required to avoid the following risks:
- Extreme risk of stillbirth for the puppy.
- Potential for maternal infection or uterine rupture.
- Life-threatening exhaustion for the mother.
How can sending a photo help the veterinarian triage my dog?
If you are in contact with an emergency vet, sending a clear photo of the puppy's position can be life-saving. A veterinarian can use the image to determine:
- If the puppy is in a breech position.
- If the amniotic sac is intact.
- If the mother's tissues appear healthy.
- Whether a gentle home assist is safe or if you must depart for the clinic immediately.
Clinical Context (Merck Veterinary Manual)
Dystocia should be considered if strong abdominal contractions last for 1-2 hours without the passage of a puppy, or if active labor lasts for 1-2 hours without delivery of subsequent puppies. A resting period during active labor lasting greater than 4-6 hours is also cause for concern. A sterile digital vaginal examination should be performed to evaluate patency of the birth canal, and the position and presentation of the fetus. Radiography or ultrasonography can determine the presence, number, size, position, and viability of the fetuses. If a puppy is lodged in the birth canal for over 30 minutes, manual extraction or cesarean section is indicated to prevent fetal death and maternal complications.
Chapter: Reproduction
Source: The Merck Veterinary Manual, 11th Edition (Page 1395)
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This article is for general informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If you think your pet may be unwell, contact a licensed veterinarian.