How Long Are Dogs Pregnant? Dog Pregnancy Guide

The average gestation period for dogs is 63 days, or about two months, though most dogs give birth between 58 and 68 days after breeding. 

“This time period is measured from ovulation, when eggs are released from the ovaries,” explains Erin Katribe, DVM, a Richmond, Texas-based veterinarian and director of national veterinary programs for Best Friends Animal Society, an animal welfare organization. 

This timeline applies to all dog breeds. 

The most common sign of dog pregnancy that pet parents recognize is abdominal swelling, but this often isn’t noticeable until around five to six weeks into pregnancy, Dr. Katribe says. 

Other early and late signs of dog pregnancy can include: 

• Behavior changes: Subtle shifts like mild lethargy or increased affection. 
• Appetite changes or mild nausea: Some dogs experience brief “morning sickness,” which may include decreased appetite or occasional vomiting. 
• Weight gain: Gradual weight gain, primarily around the abdomen, as pregnancy progresses. 
• Nipple changes: Enlarged, darker, or more prominent nipples around weeks five to six. 
• Increased thirst and urination: Drinking more water and peeing more frequently. 
• Nesting behavior: Rearranging bedding or seeking a quiet space as the due date approaches. 
• Visible puppy movement: In late pregnancy, you may see or feel puppies moving in the abdomen. 

Fun Fact: More than 70 percent of fetal growth occurs after the first five weeks of pregnancy, which is why visible changes tend to happen later. 

Dogs have “trimesters,” similar to humans—but theirs are much shorter, about 21 days each.  

Here’s a simple week-by-week look at what you might notice as her pregnancy progresses. 

If you think your dog may be pregnant, plan a veterinary visit around three to four weeks for confirmation. Your vet has several tools to help determine whether she’s expecting, including: 

• Dog pregnancy test: A simple blood test performed 21–30 days after conception that checks for the hormone relaxin, which is present only in pregnant dogs. 
• Abdominal ultrasound or physical exam: Imaging can confirm fetuses around 21–30 days, and gentle palpation may be possible between 24–35 days. 
• X-rays: Fetal skeletons become visible around 43–45 days, though many veterinarians wait until after day 50. X-rays also help estimate litter size as you prepare for whelping. 

Caring for a pregnant dog doesn’t have to feel overwhelming. Follow these steps to help keep her healthy and comfortable: 

1. Keep her active—but don’t overdo it. Gentle, regular walks support her overall health—but skip strenuous exercise or stressful training sessions. 
2. Feed a high-quality, balanced diet. As her due date approaches, increase her calories by about 25–30 percent during the final three to four weeks to support growing puppies. Consult your vet for more specific feeding guidance. 
3. Talk to your vet about parasite prevention. Many veterinarians recommend a daily dewormer starting around day 40 through 14 days after whelping. Also keep her separated from unfamiliar dogs during the latter half of pregnancy to reduce disease risk. 
4. Stay in close contact with your veterinarian. Routine check-ins help ensure her pregnancy is progressing normally and give you a chance to ask questions along the way. 

As you approach the final weeks of your dog’s pregnancy, a little preparation can go a long way. Here’s how to get ready for whelping (labor): 

• Confirm the litter size. Knowing how many puppies she’s carrying helps you and your veterinarian plan for delivery and ensure you have enough space and supplies ready, such as:  

• • Clean towels 

• • A whelping box with fresh bedding 

• • A heating pad (on low) 

• • A digital thermometer 

• • Disposable gloves 

• • A bulb syringe 

• • A small scale to weigh the puppies 

• Give her space. Set up a quiet area away from other animals and household traffic. To reduce the risk of canine herpesvirus, Dr. Katribe recommends keeping her separated from other dogs during the three weeks before and after birth. 
• Set up a proper whelping box. Create a private, warm, draft-free space with clean bedding and easy access to food and water. Avoid cold, noisy, or high-traffic areas, which can be stressful—or unsafe—for newborn puppies. 
• Monitor her temperature. A dog’s body temperature typically drops 1–2 degrees about 24 hours before labor (from roughly 101–102.5 F to 98–99 F), says Andrew Heller, DVM, a Delray Beach, Florida-based veterinarian and the co-founder of IndeVet. Taking a daily rectal temperature during the ninth week can help you anticipate when labor is near. 

On average, the active stage of dog labor lasts six to 12 hours, though it can be shorter or longer. Labor unfolds in three stages: 

1. Contractions and dilation: Your dog may seem restless and anxious as contractions begin. Nesting, panting, shivering, or even vomiting can occur while her cervix dilates. 
2. Birth of the puppies: Strong contractions bring puppies, usually within one to two hours of active labor starting. She may rest between pups, but each should arrive within two to three hours—longer gaps warrant a vet call. 
3. Placenta delivery: Each puppy is followed by a placenta, typically within about 15 minutes. Keep count—there should be one placenta per puppy to avoid complications. 

Contact your veterinarian if you notice:  

• Excessive bleeding 
• A retained placenta 
• A puppy stuck in the birth canal 
• Signs of low calcium (such as tremors, muscle stiffness, or seizures) or blood sugar (such as weakness or disorientation) 
• Uterine torsion 
• Mastitis 

If the pregnancy was unplanned, talk to your vet about options and future spaying to help protect her health. 

The work doesn’t stop once the puppies arrive. The first few days after delivery are all about rest, recovery, and close monitoring. Here’s how to support your dog postpartum: 

1. Let her rest—but keep a watchful eye. It’s normal for new moms to be tired. Make sure she’s comfortable, has easy access to food and water, and is attentive to her puppies. 
2. Monitor discharge and temperature. A small amount of dark green or reddish-brown discharge can be normal for several weeks. However, foul odor, heavy bleeding, fever, or lethargy warrant a call to your veterinarian. 
3. Support her nutrition and hydration. Nursing moms burn a lot of calories. Continue feeding a high-quality diet and ensure she has constant access to fresh water. 
4. Check her mammary glands daily. Look for redness, swelling, pain, or hardness, which could signal mastitis. 
5. Schedule a postpartum vet visit. Your veterinarian can examine both mom and puppies to ensure everyone is recovering and growing as expected. 

With attentive care and a little extra TLC, most dogs recover beautifully and settle into motherhood with ease.