Dog Pregnancy Symptoms: What to Expect in All 9 Weeks

November 10, 2026 • Dog Due Date Calculator Team • 11 min read • Dog Pregnancy

Yes, dogs show pregnancy symptoms, but they appear gradually and they change from week to week. A dog may be a little more tired than usual, eat a little less for a few days, or seem more clingy. By the middle of pregnancy, her nipples become more noticeable, her appetite returns, and her belly starts to fill out. In the last weeks, her belly grows clearly, she may move more slowly, she may start nesting, and milk may appear.

Dog pregnancy lasts 62 to 64 days from ovulation, an average of about 63 days from that anchor, or roughly 9 weeks. The exact day count changes with a different starting point, so always name the anchor. No combination of signs you can see at home confirms pregnancy on its own. Only a vet test can do that. Use this guide to know what to watch for.

Use our Dog Due Date Calculator to estimate your dog's due date. This is an estimate only. It cannot confirm a pregnancy, and it is not a substitute for veterinary care.

How to Read This Timeline

Pregnancy is usually described in weeks, but a week is not an exact clock. Litter size can shift timing by a day or two, and individual dogs vary. Breed does not change gestation from ovulation, about 63 days for all breeds. The table below is a quick map.

Dog Pregnancy Symptoms at a Glance

Symptom	First appears	Peaks	Fades
Tiredness and sleeping more	Weeks 1 to 3	Weeks 1 to 4, and again in weeks 8 to 9	After whelping
Reduced appetite or picky eating	Weeks 2 to 4	Weeks 3 to 4	Usually by week 5
Increased appetite	Weeks 5 to 6	Weeks 7 to 9	After whelping
Nipple enlargement and pinkening	Weeks 3 to 5	Weeks 6 to 9	After weaning
Weight gain	Weeks 4 to 5	Weeks 7 to 9	After whelping
Belly growth	Weeks 5 to 6	Weeks 7 to 9	After whelping
Behaviour changes, clinginess or restlessness	Weeks 1 to 3	Weeks 8 to 9	After whelping
Nesting	Weeks 8 to 9	Last days before whelping	After whelping
Milk production	Weeks 7 to 9, sometimes only at whelping	Last days before whelping	After weaning
Puppies moving, felt or seen	Weeks 7 to 8	Weeks 8 to 9	At whelping

Weeks 1 to 4: A Summary

The first four weeks are the quietest part of pregnancy. Many dogs show little that an owner can be sure about, and that is normal. Implantation happens about 15 to 18 days after ovulation, so for much of this period the body has not yet changed in an obvious way. In weeks 1 to 3, the most common early signs are tiredness, a little less interest in play, and a wish to stay close to a familiar person. Some dogs eat a little less in weeks 2 to 4. Nipples may start to look a little pinker in weeks 3 to 5, but this change is subtle and it can also happen in a false pregnancy.

For fuller detail, read our guide to early signs of pregnancy in dogs. This article gives only a summary here so it can spend more time on weeks 5 to 9. By the end of week 4, a vet may be able to feel the pregnancy by abdominal palpation, possible from about day 21 and most reliable between 28 and 35 days. It cannot confirm that the puppies are alive, and it cannot count them reliably.

Weeks 5 to 6: Appetite Returns and the Belly Starts to Show

Weeks 5 to 6 are often the turning point. If your dog went off her food earlier, her appetite usually comes back now and then grows. This is a useful sign, but it is not proof of pregnancy on its own, because appetite also changes with activity, weather, and food. Weight gain often begins in weeks 4 to 5 and becomes easier to notice now. Her waist may look less tucked in, and her belly may feel fuller when she lies on her side. Do not press her belly to check for puppies.

Nipple changes become clearer now. The nipples often look larger, darker, or pinker than before. Some dogs become calmer now, others more affectionate. Both patterns can be normal. An ultrasound is reliably useful from 25 to 35 days, and most reliable after day 28. It can confirm pregnancy and show that the puppies are alive, but it does not reliably count them.

Weeks 7 to 8: Clear Belly Growth, Slower Movement, and First Milk

In weeks 7 to 8, most pregnant dogs look pregnant. Her belly grows steadily and her weight gain becomes obvious. She may walk more slowly, take shorter walks, and rest more often. Give her a comfortable resting place at floor level and avoid asking her to jump or climb. You may start to feel or see the puppies move in weeks 7 to 8, often as a gentle ripple when she is relaxed and lying on her side. Do not press hard to feel it.

Milk may appear in weeks 7 to 9, but the timing varies a lot. Some dogs have a little milk before whelping, others have none until whelping starts. The absence of milk does not mean the pregnancy is not real, and the presence of milk does not prove it either, because false pregnancy can also cause milk. Behaviour often changes again now. Some dogs become more protective of their resting place, some more withdrawn, and some more clingy. Appetite is usually strong, and she may need smaller, more frequent meals.

Week 9: Nesting, Restlessness, and Getting Ready to Whelp

Week 9 is the final week, and the change is often clear. Her belly is at its largest, and she may move slowly, pant, or seem restless. Nesting often starts in week 9, or in the days just before whelping. She may scratch at bedding, move blankets around, and seek a quiet, dark place. Give her a whelping box now, if it is not ready yet, and let her settle into it on her own terms. Appetite can fall in the last days before whelping, which is normal if it is for a short time.

A temperature drop can be a useful late sign if you have been taking her temperature in the same way each day. Her temperature often falls below 100 degrees Fahrenheit, or 37.8 degrees Celsius, usually 8 to 24 hours before labour. It lasts only about 8 hours, so it can be missed. Do not rely on temperature alone.

Appetite Changes: Eating Less, Then Eating More

Appetite is one of the most talked about signs, and it is also one of the most variable. In weeks 2 to 4, some dogs eat less, seem picky, or leave food they used to enjoy. This is sometimes called morning sickness, although it is usually milder in dogs than in people, and it does not happen to every dog. If she eats less for a day, keep offering her normal food and fresh water, and do not force her to eat. If a pregnant dog stops eating for more than a day, vomits repeatedly, or seems weak, call a vet.

From week 5 onward, the pattern usually reverses. Appetite grows and many dogs ask for more food. Offer smaller, more frequent meals rather than one large one, because her stomach has less room as the puppies grow. Keep her on a diet your vet has approved for pregnancy and do not add supplements unless you have been told to. Food needs are highest in the last weeks, but they should be raised gradually and only under vet guidance.

Pregnant Dog Behavior Changes

Behaviour changes are real in pregnancy, but they are also among the least specific signs. In the first weeks, some dogs become clingier, some more tired, and some less interested in play. In mid pregnancy, many dogs settle into a calmer routine. In the last weeks, nesting, restlessness, and a wish for quiet are more common. Changes in behaviour can also happen in false pregnancy, and they can have other causes, such as illness, pain, or fear. If your dog's behaviour changes suddenly or markedly, do not assume it is only pregnancy.

The key is change from her normal pattern. A normally very active dog who suddenly sleeps most of the day is worth noticing, but so is a normally calm dog who suddenly becomes very restless. Track appetite, energy, water intake, and behaviour each day. If the change persists for more than a day, or is paired with discharge, vomiting, or any sign of pain, contact your vet.

Nipples, Weight Gain, and Belly Growth

Physical changes build slowly. Nipple changes begin in weeks 3 to 5 and become clearer in weeks 6 to 9. Weight gain begins in weeks 4 to 5, then increases. Belly growth starts around weeks 5 to 6 and is most clear in weeks 7 to 9. The belly may feel rounder when the dog lies on her side. A clear belly change is a stronger sign than an early nipple change, but neither one proves pregnancy. A small litter or a deep chested breed can make belly growth harder to see. Do not press on the belly or nipples to test for pregnancy.

Symptoms That Are Not Reliable on Their Own

Many signs that owners watch for can happen without pregnancy. Tiredness, a change in appetite, a slightly larger belly, or milk production can all appear in a false pregnancy, and also in other health conditions. A dog can show several symptoms together and still not be pregnant. A dog can also be pregnant and show very few symptoms, especially in the first three weeks or with a small litter. The same symptoms can mean different things at different times, so do not treat a single symptom as proof.

Progesterone rises in diestrus whether a dog is pregnant or not, so a progesterone test cannot tell a true pregnancy from a false one. You can read about false pregnancy in dogs. Relaxin is the marker that matters here, because pseudopregnant dogs do not produce relaxin. Ultrasound can also help, because it shows whether puppies are present and viable. If you are unsure whether a set of symptoms is from pregnancy or from a possible illness, call your vet rather than treating it yourself.

When Symptoms Warrant a Vet Visit

Most pregnancy symptoms are mild and pass on their own. Some need prompt vet care. Call your vet if your dog vomits repeatedly, stops eating for more than a day, seems weak or very tired, has discharge that is green, bloody, or foul smelling, or shows signs of pain. Call sooner if you see bleeding, if labour seems to start well before the due date, or if she seems to be in trouble at any stage. If you are worried about your dog, contact your vet. You do not need a confirmed pregnancy to ask for advice.

How to Confirm Pregnancy and Plan the Due Date

Home signs can raise a suspicion, but they cannot confirm a pregnancy. The full timing for each vet test — when palpation, relaxin, ultrasound and X-ray work, what each test can and cannot tell you, and when to repeat a negative result — is covered in our guide to dog pregnancy tests. The earliest tests are a relaxin blood test, first detectable from day 20 to 25 after fertilisation, and ultrasound, which is reliable from day 25 to 35.

Use the calculators below to track timing, and share the results with your vet.

Check your dog's due date with our Dog Due Date Calculator. Track ovulation timing with our Dog Ovulation Calculator. Follow progesterone trends with our Dog Progesterone Calculator. These tools give estimates only. They cannot confirm a pregnancy, and they are no substitute for veterinary care.

Disclaimer: This article is for general information only. It does not confirm pregnancy, diagnose a health problem, or replace advice from your vet. If you are worried about your dog, contact your vet.

Frequently Asked Questions

What are the first signs of pregnancy in dogs?

The first signs are usually mild. In weeks 1 to 3, they are often tiredness, slightly less energy, and a little clinginess, sometimes with a mild dip in appetite. Nipples may look a little pinker in weeks 3 to 5. A visible belly change does not usually appear until weeks 5 to 6. No single early sign confirms pregnancy.

When do dog pregnancy symptoms start?

Symptoms can start subtly in weeks 1 to 3, but they are easy to miss. They become clearer in weeks 4 to 6, when appetite returns and nipples and belly change. By weeks 7 to 9, belly growth, nesting, and slower movement are often clear. The pattern varies with litter size and the individual dog.

Why is my pregnant dog not eating?

Some dogs eat less in weeks 2 to 4. A short dip, or being picky for a day, is common and usually passes. Offer her normal food and fresh water, and do not force food. Call your vet if she stops eating for more than a day, vomits repeatedly, seems weak, or has discharge that is green, bloody, or foul smelling.

Do all pregnant dogs show the same symptoms?

No. Dogs vary. Some show clear tiredness and appetite changes early, while others show very little until the second half of pregnancy. A small litter can show less than a large one, and a deep chested or long coated dog may show belly growth less clearly. The absence of a symptom does not mean the dog is not pregnant.

Can false pregnancy look like real pregnancy?

Yes. False pregnancy can cause mammary enlargement, milk, nesting, mothering toys, lethargy, and changes in appetite, usually beginning 4 to 9 weeks after heat and resolving in about 14 to 21 days. Progesterone cannot distinguish a false pregnancy from a true one. Relaxin can, because pseudopregnant dogs do not produce relaxin, and ultrasound can show whether puppies are present.

How can I confirm my dog is pregnant?

Only a vet test can confirm a pregnancy. A relaxin blood test is first detectable from day 20 to 25 after fertilisation and is positive in most dogs 22 to 27 days after breeding. Ultrasound is reliable from day 25 to 35, most reliable after day 28. Abdominal palpation is possible from about day 21, most reliable between days 28 and 35. Ask your vet which test fits best and when to return for a repeat or for an X-ray count.