Skip to main content

Q&A: Why Won't My Dog Get Pregnant?

  • Author:
  • Updated date:

Dr. Mark is a veterinarian. He has been working with dogs for more than 40 years.

The most common reason for breeding failure is breeding at the wrong time. Here are a few tips for successful breeding.

The most common reason for breeding failure is breeding at the wrong time. Here are a few tips for successful breeding.

Is My Dog Infertile?

"My 2.5-year-old female German Shepherd is not getting pregnant. During her first heat, we did not do anything. But the heat cycle is around 20–22 days long. During her second heat, we mated her but were unsuccessful. Now, this is the third heat. Today is the 11th day, but there is still no swelling in her vagina." —Hinal

Reasons for Breeding Failure in Dogs

The most common reason for infertility/breeding failure is breeding at the wrong time. (1) Follow these steps and consider getting a progesterone assay done to find out exactly when your dog is ovulating. Having a progesterone assay done is the best chance of breeding your dog at the right time.

If her vulva is not swollen, are you sure she is in heat? Dogs will have a discharge from the vagina with an open pyometra. A vaginal swab will tell you what the discharge is.

If she was mated to a fertile male on the last cycle and was with him at the right time, there may be a problem with her. Other causes of infertility in female dogs with the symptoms you describe are:

Scroll to Continue

Read More From Pethelpful

  • infection (uterine infection, ovarian cysts, systemic disease like Brucellosis canis)
  • hormonal (hypothyroidism and some others)

Visit Your Vet for an Exam and Blood Testing

I can only suggest that you take her to your local veterinarian for an examination and blood testing. A simple blood test can be done to check for infection first. If that is negative, they will investigate the other causes.

If there is an infection and it responds to antibiotics, then you can breed her at her next cycle.

Source

  1. Root Kustritz MV; Series Editor. Infertility in the Dog and Cat. Small Animal Theriogenology. 2003:561–98. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7155462/

This article is not meant to substitute for diagnosis, prognosis, treatment, prescription, or formal and individualized advice from your veterinarian. Animals exhibiting signs and symptoms of distress should be seen by a veterinarian immediately.

© 2022 Dr Mark

Related Articles