Veterinary Perinatal Specialtes Inc.
Case Study
Labrador Retreiver
Age: 4 Years

Veterinary Perinatal Specialties, Inc.

Case Study


Labrador Retriever

Age: 4 years old

Prior History: Maiden Bitch. No history of whelping problems in bloodlines. X-ray revealed a litter of 6 pups.

Reason For Using WhelpWise™: Owner lives in a remote area, over 1 hour drive to the veterinarian. Owner wanted to be able to identify problems early and treat possible inertia from home.

Course on Service: Labor was documented on day 62 from the first breeding. No ovulation timing was done. No change in temperature or symptoms of labor were noted at the time labor was identified. The bitch became symptomatic for labor about 8 hours after the documented onset. After 12 hours of a adequate uterine contraction pattern, the strength and the frequency of the contractions began to decrease, documenting inertia. Symptoms of labor also subsided. Augmentation of labor with Oxytocin and Calphosan was initiated at this time with medication doses titrated to support the existing uterine contraction pattern. The initial dose of Oxytocin was one half unit, administered subcutaneously. A follow-up uterine contraction monitor session showed the return of adequate uterine contractions. Delivery of the first puppy occurred 30 minutes after the dose of Oxytocin. After the 4th pup was born, uterine contractions once again became decreased, and a dose of 1 unit of Oxytocin was given. Puppies 5 and 6 delivered easily. During the routine post delivery screen, an additional fetal heart rate was identified, as well as a uterine contraction pattern indicating that there was still something in the uterus. Two units of Oxytocin were given with the delivery of the 7th puppy about 30 minutes after the injection. No further heart rates were identified, and the uterine contraction pattern indicated that the uterus was empty.

Outcome: Vaginal delivery of 7 puppies over 4 hours. All pups were vigorous at birth. Fetal heart rate monitoring during labor identified the undetected puppy, as well as documented fetal well being during the whelping process.

Comments: WhelpWise™ provided this breeder with a support service very much needed in remote areas. In prior litters the owner had spent many days at the veterinarian's office, waiting for her bitch to whelp. The service allowed the breeder to comfortably stay at home, interfacing the breeder and veterinarian with accurate reports on the whelping process. Identifying the 7th puppy also promoted timely, active intervention that resulted in a live birth.

Using low does of Oxytocin are very effective in restoring a normal uterine contraction pattern. Effectiveness of these low doses seems to correlate with the timing of their administration. Administering any size dose of Oxytocin before a reasonable time in labor has elapsed is frequently not helpful, and presents a potential for uterine rupture, especially at the higher doses. Uterine contraction monitoring is very beneficial in documenting that adequate labor has been established, and Oxytocin dosing is appropriate.

Calcium is also very helpful in managing inertia. While Oxytocin will increase the frequency of the uterine contractions, calcium will increase the strength. By using the WhelpWise service, the whelping can be managed by the correct drug or drugs, using the correct dose, administered at the correct time, not arbitrarily administering drugs without feedback on the presence and type of uterine contraction pattern.


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Veterinary Perinatal Specialties Inc.
9111 W. 38th Ave
Wheat Ridge, Colorado 80033

within Colorado: 303-423-3429
toll free:1-888-281-4867