Signs Your Dog Is Pregnant

This post was written with Consensus AI Academic Search Engine – please read our Disclaimer at the end of this article. Understanding the signs of pregnancy in dogs is crucial for pet owners to ensure proper care and preparation for the arrival of puppies. Here are some key indicators that your dog might be pregnant:

Hormonal Changes

One of the primary indicators of pregnancy in dogs is a change in hormone levels. During pregnancy, there is an increase in progesterone, which is essential for maintaining pregnancy. In pregnant bitches, progesterone levels remain elevated throughout gestation, whereas in non-pregnant bitches, these levels drop significantly after ovulation1 3. Additionally, relaxin, a hormone produced by the placenta, can be detected in the blood of pregnant dogs, serving as a reliable marker for pregnancy1.

Physical Changes

Pregnant dogs often exhibit noticeable physical changes. These can include an increase in body weight and abdominal enlargement as the pregnancy progresses. The gestation period in dogs typically lasts about 63 days from ovulation to parturition, and during this time, the abdomen will visibly expand4 7. Some dogs may also experience changes in their nipples, which can become more prominent and darker as they prepare for lactation.

Behavioral Changes

Behavioral changes are another sign of pregnancy in dogs. Pregnant bitches may become more affectionate or seek solitude, depending on their individual temperament. They might also exhibit nesting behaviors as they prepare a comfortable space for their upcoming litter6.

Appetite and Energy Levels

Changes in appetite and energy levels can also indicate pregnancy. Some dogs may experience a decrease in appetite during the early stages of pregnancy, similar to morning sickness in humans, while others may have an increased appetite as the pregnancy progresses. Energy levels can fluctuate, with some dogs becoming more lethargic5.

Veterinary Confirmation

While observing these signs can suggest pregnancy, veterinary confirmation is essential for an accurate diagnosis. Blood tests measuring relaxin levels can confirm pregnancy, and ultrasound examinations can provide information about the number and health of the developing puppies1 3.

In summary, recognizing the signs of pregnancy in dogs involves observing hormonal, physical, and behavioral changes. Veterinary confirmation through blood tests and ultrasounds is crucial for accurate diagnosis and to ensure the health and well-being of both the mother and her puppies.