Dog Pregnancy Signs: Timeline, Vet Checks and Care

By Tailwisp Editorial TeamUpdated October 17, 20263 min read

Whether planned or accidental, a dog pregnancy needs good care from the start.

Gestation length

Dog pregnancy lasts around 58 to 68 days from mating, and about 63 days from ovulation. Timing is easier if breeding was tracked by progesterone tests.

Early signs, weeks one to three

• Often none
• Mild decrease in appetite or morning sickness
• Slight nipple pinking
• Tiredness
• Clear vaginal discharge in some dogs

These signs overlap with false pregnancy. See false pregnancy in dogs.

Middle weeks, four to six

• Increased appetite
• Weight gain
• Nipples enlarge
• Belly may start to round
• Behavior changes, such as clinginess or wanting to be alone
• Vet can feel puppies by palpation around days 25 to 30, though ultrasound is more reliable

Late weeks, seven to nine

• Visibly swollen abdomen
• Puppies may be seen moving
• Milk may appear
• Nesting behavior
• Restlessness and loss of appetite shortly before labor
• Drop in body temperature about 12 to 24 hours before whelping

Confirming pregnancy

• Ultrasound from about day 25 to 30 can show heartbeats
• Hormone tests, such as relaxin, from around day 25 to 30
• Palpation by an experienced vet around day 28 to 30
• X-rays after about day 45 to count puppies

Veterinary care

Book a prenatal exam. Your vet may advise on vaccines, parasite control, nutrition and safe medications, and discuss delivery plans. Some drugs, including certain dewormers and flea products, are unsafe in pregnancy, so ask before giving anything.

Feeding

Feed a high-quality diet and increase portions gradually in the last third of pregnancy, as advised. Many vets recommend switching to a puppy or lactation formula late in pregnancy. See feeding pregnant and nursing dogs.

Exercise

Continue gentle, regular exercise, avoiding rough play, jumping and long hikes late in pregnancy. Keep her away from other dogs that could expose her to infections.

Preparing for whelping

Set up a whelping box in a quiet, warm room several weeks beforehand. Gather clean towels, a thermometer, a scale, contact details for your vet and the emergency clinic. See dog whelping guide.

When to call the vet

Call if you see green or bloody discharge before labor, fever, lethargy, vomiting, refusal to eat, labor lasting too long, or if she goes past day 65 without whelping.

Questions to ask your vet

Ask how many puppies to expect, which medications are safe, when to schedule an ultrasound or X-ray, what to feed and when to call during labor.

Common mistakes

• Giving medication without advice
• Overfeeding early
• Not preparing a whelping area
• Ignoring unusual discharge

Troubleshooting

• My dog looks pregnant but no puppies appear: ask about false pregnancy.
• My dog seems restless: monitor temperature and prepare.
• She vomits in early pregnancy: mild cases are common, but call if persistent.

A simple plan

1. Confirm with your vet.
2. Adjust food gradually.
3. Prepare a whelping area.
4. Plan for emergencies.

Real-life examples

A spaniel's pregnancy is confirmed by ultrasound and monitored through to a safe litter. A terrier gives birth earlier than expected and the vet is ready. A mixed breed shows signs of pregnancy that turn out to be false. Veterinary confirmation helps.

Plan ahead

Good preparation makes whelping safer for mother and puppies.

Counting puppies and planning for size

An X-ray after about day 45 shows skeletons and gives a puppy count, which helps you know when whelping is complete. Ultrasound is better for viability but less accurate for numbers. Knowing the likely litter size lets you plan supplies, helpers and a vet backup, especially for small breeds and flat-faced dogs that often need cesareans.

Protecting a pregnant dog

Keep her away from unfamiliar dogs and from areas with high infection risk, avoid stressful travel, maintain regular meals and use only veterinary-approved parasite products. Ask about vaccines before breeding, since most should not be given during pregnancy. Provide fresh water and a calm routine.

The takeaway

Pregnancy lasts about nine weeks. See your vet for confirmation, nutrition and a whelping plan.

This article is general educational information, not veterinary advice. Every dog is different. If your dog is unwell, or you are unsure about a symptom, diet change or medication, contact your veterinarian.