Pregnancy and Labor in Dogs

Updated on August 27, 2019
Retired Vet profile image

A former small animal veterinarian, I always did my best to care for clients' furry (and sometimes not so furry!) friends.

Gestation in Dogs
Gestation in Dogs | Source

Signs That a Dog Is Pregnant

How can you tell if a dog is pregnant? There are a few ways to find out. In this article, I'll share a few tips and practical knowledge with you from my experience working as a small animal veterinarian. My hope is that you will learn how to properly care for your dog during this time. Good luck, and happy whelping!

How Long Is the Gestation Period in Dogs?

The gestation period varies from one dog to the next and even from one breeding to the next in the same dog. The range is 63 days, give or take seven days, counting from the first mating.

How Is Pregnancy Detected in Dogs?

Pregnancy can usually be confirmed in dogs via several means:

  • Palpation (a veterinarian carefully feeling the dog's belly) 20 to 30 days after breeding
  • By ultrasound 24 or more days after breeding
  • By radiographs (x-rays) 40 to 45 days after breeding

What Is a "Tie?"

Dogs have to "tie" to have a successful mating. That means that the male and female are actually stuck together for anywhere from 30 minutes to an hour. This keeps the semen inside the female long enough for eggs to be fertilized. If a tie does not occur, there probably will not be any pups.

How to Predict Labor in Dogs

Monitoring your dog’s body temperature using a rectal thermometer is an easy way to predict when she will go into labor. Normal body temperature for a dog is between 99°F and 102.5 °F; it typically drops by 2 to 3 degrees 18 hours or less before whelping starts.

Start taking your dog’s temperature during what you believe to be the last 2 weeks of her pregnancy so that you find out what her normal body temperature is. Monitor her temperature twice a day. If her temperature falls and she hasn’t gone into active labor within 24 hours, she may need to be examined by a veterinarian.

Temperature as an Indicator

Normal body temperature for a dog is between 99°F and 102.5 °F; it typically drops by 2 to 3 degrees 18 hours or less before whelping starts.

Always provide the mom-dog with a safe and comfortable space to rest.
Always provide the mom-dog with a safe and comfortable space to rest. | Source

The Stages of Labor in Dogs

Dogs go through three stages of labor. Learn what to expect in each stage and what steps to take if there are any complications.

Stage 1

The first stage is the longest and can last up to 24 hours. Behaviors seen in the first stage of labor include loss of appetite, panting, restlessness, and nesting behaviors.

Stage 2

Active labor (the second stage) begins anywhere from one to 24 hours after the onset of stage one, and the first pup should be delivered after no more than 2 hours of active straining. There is generally less than an hour between the birth of each pup, and the dam may stop straining for a while between pups.

  • The Placenta: A placenta should be delivered after each pup; it is normal for the dam to eat the placenta, although it may make her vomit. She should also clean the pups up herself but may need help removing the sacs from the puppies’ faces.
  • The Umbilical Cord: There is usually no need for you to do anything at all with the umbilical cords—they break with minimal bleeding on their own or are bitten in half by the dam. Excessive bleeding can be controlled with cornstarch (helps a blood clot form) or by applying steady pressure using a piece of sterile gauze. Many breeders will paint the umbilicus with iodine solution to prevent infection, as well.

Stage 3

During the third stage, the dam expels blood, fluid, and remnants of placenta from her uterus. This stage is important for preventing uterine infection and is stimulated by oxytocin that is released when the pups nurse. If the pups are born dead or are unable to nurse for any reason, use a warm, damp cloth to massage the dam's mammary glands (nipples) to help with this process.

When to Call the Veterinarian

Signs that may indicate that there is a problem with the birthing process include:

  • Any illness in the dam (although vomiting and diarrhea are common during labor)
  • History of problems delivering pups in the past
  • More than 24 hours between a drop in body temperature and the onset of active labor
  • More than 3 hours of active straining with no pups produced
  • More than one hour of active straining between pups
  • Constant, unrelenting straining for 1 hour with no pup produced
  • Labor stops before all pups are delivered (this, of course, means you knew how many pups to expect; a vet can help determine this with x-rays or ultrasound).

Know how to identify the signs that warrant an emergency visit to the vet.
Know how to identify the signs that warrant an emergency visit to the vet. | Source

Possible Post-Pregnancy Complications

Abnormal Discharge

If the discharge is any color other than dark green, red-brown, or black; if it has a foul odor; or if the pups or dam are acting ill, the dam and litter should be examined by your veterinarian.

When is vaginal discharge normal? It is completely normal and healthy to see a colored discharge with very little odor coming from the dam's vagina for several weeks after the pups are born; this is called "lochia." It will be dark green for the first 12 hours or so, then reddish-brown. It should gradually decrease in volume and is usually completely gone two months after the pups are born.


Also called puerperal hypocalcemia or tetany, eclampsia is caused by low blood-calcium levels in the dam. This occurs most often when small dogs are nursing large litters of pups that are less than one month old. Signs include:

  • panting
  • trembling
  • muscle spasms
  • weakness
  • stumbling

It can progress to seizures and can be deadly if not treated in time. Feeding puppy food to the dam while she is pregnant and nursing may help prevent this problem.

Important: Calcium supplements should NOT be given during pregnancy because they change the body’s calcium-control mechanisms and can actually cause eclampsia. However, supplements can be helpful while the pups are nursing.

Uterine Infection

Although it doesn’t happen very often, uterine infection is a potential complication of even normal deliveries. Symptoms are as follows (although the first symptom may be crying, neglected puppies):

  • Fever
  • Loss of appetite
  • Increased thirst
  • Foul-smelling vaginal discharge

Surgical removal of the uterus is the most reliable cure, although antibiotics alone may be attempted in certain situations.


It is possible for dams to develop infections in their mammary glands while they are nursing pups. Symptoms of mastitis include:

  • Red, painful, hot, and hard areas of the tissue
  • Loss of appetite (possibly with vomiting or diarrhea)
  • Crying pups (they may not be getting enough milk)
  • Discolored milk
  • Rejection of the pups
  • Reluctance to move around
  • Fever

If you suspect mastitis, call your vet immediately. Mild cases can be resolved with antibiotics, but occasionally these infections become severe, and infected tissue may need to be surgically removed.

“Hysterical” Mothers

Some dams, especially first-time mothers, will reject their puppies initially or even appear to be afraid of them. Sitting with the dam and comforting her may help, although some dogs have to be medicated for a few days to get them past this stage. They usually overcome their phobia within less than five days.

In the meantime, the dam should be supervised and the pups bottle-fed if need be. Dams have been known to kill and even eat their own pups, so all dams should be observed closely for the first hour or two after the pups are born to see how they are responding. Try to observe without disturbing her, however, as too much stress or disruption can lead to hysteria.

This article is accurate and true to the best of the author’s knowledge. It is not meant to substitute for diagnosis, prognosis, treatment, prescription, or formal and individualized advice from a veterinary medical professional. Animals exhibiting signs and symptoms of distress should be seen by a veterinarian immediately.


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    • profile image


      4 years ago

      68days pregnat my rottweiler with black discharge what will i do

    • profile image


      4 years ago

      how about if my mini pin only gives birth for only 1 puppy is it normal?

    • profile image


      4 years ago

      My dog has list a sack of water but 1 1/2 hours later there's no pup? Her contractions keep stopping and starting is this normal?

    • profile image


      6 years ago

      I just wanted to say that the dogs do NOT have to tie in order for the female to become pregnant. I had a breeding pair that they NEVER tied, not a single breeding.. 23 total puppies born over 4 litters. They definitely do not have to tie.

    • profile image


      6 years ago

      She has calmed down now that the second was born which was at 8:15 the 1st was born at 6:30, but the 1st one isn't feeding only the 2nd one is.... Also she still has a cord coming out of her....

    • profile image


      6 years ago

      Help, should I worry? My mama yorkie just gave birth we know she has 2 maybe 3 in there but she is trying to maybe nest her pup, & than trying to cover it, I'm afraid she will hurt it.... Also how long till they nurse?

    • profile image


      7 years ago

      what if your dog has Diaherra is it a sign of Labor ?

    • profile image


      8 years ago

      To all of you out there I wish I would've seen this sooner, I researched many sites but never saw this one, and now its to late. My pup went into labor on Sunday afternoon, and the vet was closed monday, but had I off known I wouldve called because on Tuesday Morning, she still hadn't had any pups, and she quit breathing, the vet couldn't do anything so they said, and our precious baby girl passed away, its very devastating, and I don't wish it upon anyone. The pups didn't survive, and the vet didn't want to proceed, so we will never know how many pups she was gonna have!!

    • profile image


      8 years ago

      Thanks for the dam has started releasing milk,but its gestation is going close to 68 days,,,what can i do??

    • profile image


      8 years ago

      good info to know. my min pin is almost ready to have her pups.

    • tectonic profile image


      9 years ago from Singapore

      Great nuggets of info that you have presented.

      Thanks for this.

    • ashleyyoung profile image


      9 years ago from United States

      As an owner of two pair of dogs, this would really come in handy. Definitely worthy of the bookmark. Thanks!


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