Dog Pregnancy Common Problems and Solutions

Pregnancy is a natural process — but that does not mean it always goes without any difficulties. Even healthy, well cared for dogs can experience problems during pregnancy that need attention and care. The good news is that most common pregnancy problems have clear solutions when they are caught early and handled properly.

When Bella was pregnant I kept a close eye on her every single day. There were moments that worried me — moments where I was not sure if what I was seeing was normal or something to be concerned about. Looking back, that careful daily attention is what kept her and her puppies safe throughout the entire pregnancy.

Here is a guide to the most common problems that can occur during dog pregnancy — and exactly what to do about each one.

Problem 1: Morning Sickness and Loss of Appetite

Just like humans, some dogs experience nausea and a reduced appetite during the early weeks of pregnancy — usually between weeks two and four. Your dog may eat less than usual, turn away from her food, or occasionally vomit after eating.

Solution

Offer smaller meals more frequently throughout the day instead of one or two large meals

Try warming her food slightly to make it more appealing

Add a small amount of plain boiled chicken or scrambled egg to encourage eating

Make sure fresh water is always available

If vomiting is severe or lasts more than a few days, visit your vet

Most pregnancy-related nausea resolves on its own by week five as hormones stabilize.

Problem 2: Excessive Weight Gain

While a pregnant dog will naturally gain weight, gaining too much too quickly can put unnecessary strain on her joints and organs and can complicate delivery. Overfeeding during pregnancy is a common mistake — especially when owners feel guilty seeing their dog looking hungry.

Solution

Follow your vet's recommended feeding guidelines based on your dog's breed and size

Switch to high quality puppy food from week five — not earlier

Avoid giving extra treats or table scraps

Weigh your dog regularly throughout pregnancy and discuss any sudden jumps in weight with your vet

Keep up gentle daily exercise appropriate for her stage of pregnancy

Problem 3: Constipation

As the uterus grows larger in the second half of pregnancy it puts pressure on the digestive tract, which can slow things down and cause constipation. A pregnant dog that is straining to pass stool or going less frequently than usual may be experiencing this.

Solution

Add a small amount of plain cooked pumpkin to her meals — it is a gentle and effective natural remedy for constipation

Make sure she is drinking plenty of fresh water throughout the day

Keep up short gentle walks to help keep digestion moving

Never give human laxatives or stool softeners to a pregnant dog without veterinary advice

If constipation is severe or lasts more than two to three days, contact your vet.

Problem 4: Vaginal Discharge

A small amount of clear or slightly cloudy vaginal discharge is completely normal during pregnancy. However certain types of discharge are warning signs that something is wrong.

When to worry

Green, black, or foul smelling discharge at any point before labor begins

Heavy bright red bleeding

Discharge accompanied by fever, lethargy, or loss of appetite

Solution

Normal clear discharge — monitor and keep the area clean

Any abnormal discharge — contact your vet immediately. This can indicate infection, placental problems, or early pregnancy loss

Problem 5: Pregnancy Loss or Resorption

Sometimes a dog can lose one or more puppies during pregnancy through resorption — where the body absorbs the embryo — or through miscarriage. This can happen without any obvious signs, especially in early pregnancy.

Signs of pregnancy loss include:

Sudden reduction in belly size

Bloody or unusual discharge

The dog seeming less pregnant than she did before

Solution

If you suspect pregnancy loss, visit your vet for an ultrasound to assess the remaining puppies

In many cases one or more puppies are lost but the rest of the litter continues developing normally

Your vet will advise you on monitoring and next steps based on what the examination shows

Problem 6: Eclampsia During Late Pregnancy

Eclampsia — also called milk fever or hypocalcemia — is a dangerous drop in blood calcium levels. It most commonly occurs after delivery during nursing but can occasionally develop in the final week of pregnancy in dogs carrying large litters.

Signs include:

Muscle tremors or twitching

Restlessness and panting

Stiff or wobbly walking

Seizures in severe cases

Solution

Eclampsia is a medical emergency — go to your vet immediately if you see any of these signs

Never give calcium supplements during pregnancy without vet guidance — ironically, supplementing calcium during pregnancy can actually increase the risk of eclampsia after delivery

Your vet will administer intravenous calcium which usually brings rapid improvement

Problem 7: Mastitis During Late Pregnancy or Nursing

Mastitis is an infection of the mammary glands. While it most commonly occurs during nursing, it can sometimes develop in the final days of pregnancy as the glands begin producing milk.

Signs include:

One or more mammary glands that feel hot, hard, or swollen

Redness or discoloration of the gland

The dog flinching or pulling away when the area is touched

Milk that looks discolored, lumpy, or has an unusual smell

Solution

Mild cases can sometimes be managed with warm compresses and gentle massage to encourage drainage

However mastitis usually requires antibiotic treatment from your vet

Do not ignore it — untreated mastitis can become very serious quickly

Problem 8: Stress and Anxiety

Pregnancy brings significant hormonal changes that can affect your dog's mood and behavior. Some dogs become more clingy and anxious than usual. Others become more irritable or withdrawn. Major changes to the home environment can make this worse.

Solution

Keep her routine as consistent and predictable as possible throughout pregnancy

Avoid introducing major changes — new furniture, renovation noise, new people, or long absences from home

Spend extra quiet time with her each day — sit beside her, speak softly, and let her feel your calm presence

Introduce the whelping box early so she has a familiar safe space to retreat to

If anxiety seems severe, discuss options with your vet — there are safe ways to help a pregnant dog feel calmer

Problem 9: Difficulty Breathing or Overheating

In the final weeks of pregnancy when the belly is very large, some dogs struggle to breathe comfortably, especially in hot weather. The growing uterus puts pressure on the diaphragm making deep breathing harder.

Solution

Keep her in a cool, well ventilated area — especially during hot weather

Avoid exercise during the hottest part of the day

Make sure she always has access to fresh cold water

Never leave a heavily pregnant dog in a car or enclosed space in warm weather

If she is panting heavily at rest or seems to be struggling to breathe, contact your vet

Problem 10: False Pregnancy After a Normal Heat Cycle

Some unspayed female dogs experience what looks like pregnancy — nesting, milk production, and behavioral changes — even though they were never mated. This is called false pregnancy or pseudopregnancy and is caused by normal hormonal changes after heat.

Solution

Mild false pregnancies usually resolve on their own within two to three weeks

Avoid stimulating the mammary glands as this increases milk production

If symptoms are severe or distressing, your vet can prescribe medication to help

Spaying is the permanent solution for dogs that experience repeated false pregnancies

My Personal Experience

With Bella I dealt with two of the problems on this list — nausea in the early weeks and a brief episode of anxiety in week seven when we had some renovation work done in the house. The noise and disruption clearly unsettled her and she stopped eating well for a few days.

I moved her bed to the quietest room in the house, spent more time sitting with her, and temporarily stopped the noisiest part of the work during her rest hours. Within a few days she was back to herself. That experience reminded me how sensitive pregnant dogs are to their environment — and how small adjustments can make a big difference.

Final Thoughts

Dog pregnancy problems are not inevitable — but they are possible. The best protection you can give your dog is daily attention, proper nutrition, regular vet visits, and a calm and stable home environment.

Know the warning signs. Act quickly when something does not seem right. And never hesitate to call your vet when you are unsure — it is always better to check than to wait and wonder.

Your dog is trusting you to take care of her during the most important weeks of her life. Show up for her every day — and she will reward you with a healthy litter and a bond that lasts a lifetime.

Find more dog pregnancy and puppy care guides on PawMama!

My dog Bella is such a wonderful and loving companion. During her pregnancy, I noticed how she became even more gentle and trusting. Watching her settle into the whelping box I had built for her was one of the most touching moments I have experienced as a dog owner. She sniffed every corner, circled around a few times, and then lay down peacefully — as if she knew this was her safe place.
Building that box for her did not take much time or money, but it gave her exactly what she needed — security, warmth, and a space that was truly hers. If you are preparing for your dog's delivery, please do not skip this step. Your dog cannot ask for what she needs, but she trusts you completely to provide it.
That trust is the most beautiful thing about being a dog mama.