How Long Until Dogs Have Their First Heat?

by | Last updated on January 24, 2024

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Smaller dogs can go into heat as soon as they are 4-months old. Larger breeds may not first go into heat until they are 18 to 24 months old. On average, the first heat begins at around 6 months of age.

How long does a puppy's first heat last?

Heat usually lasts

between 2-4 weeks

. Early in the cycle, a female dog may not be receptive to , although some are receptive through the entire cycle. It can be shorter or longer and you'll know the cycle is over when all her vulva returns to its normal size and there's no more bleeding or discharge.

How long will my dog bleed in her first heat?

The first signs your dog is in heat are the swelling of her vulva and bright red bloody discharge. “There will be lots of licking,” Nielsen says. A dog in heat can bleed for around

7 to 10 days

. During this first stage of the reproductive cycle, the female will not accept a male.

What are the 4 stages of a dog in heat?

  • Stage One: Proestrus. Proestrus is the first stage of the heat cycle. …
  • Stage Two: Estrus. …
  • Stage Three: Diestrus. …
  • Stage Four: Anestrus. …
  • How to Care for Dogs in Heat. …
  • The Bottom Line.

Do female dogs calm down after first heat?

In addition to the medical benefits listed above,

there can be a significant improvement in a female dog's behavior after you spay her

. When a dog enters heat, the hormones in her body change. This fluctuation can cause some dogs to become irritable or stressed, and may cause her to act out.

What do I do when my female dog is in heat?

  1. Watch her closely. When a dog is in heat, her only thought is to breed, and she will often do whatever it takes to find a mate. …
  2. Keep male dogs away. …
  3. Consult your vet in emergencies. …
  4. Close the windows. …
  5. Take caution with walks.

Should I let my puppy have her first heat?

Q: Should I let my dog have a heat before I spay her? A: Medically,

it's better to spay your dog before their first heat

. It greatly reduces the risk of mammary tumors. People who wait to spay their dogs until after their second heat greatly increase the risk of mammary tumors in their pets.

Do dogs bleed the whole time they are in heat?

However, the most obvious recognizable sign of heat in dogs is vaginal bleeding. This may not become apparent until a few days after the female has come into estrus.

Some experience heavy vaginal bleeding during estrus, while other dogs have minimal bleeding

. If you are concerned, consult your veterinarian.

Is it OK for a 1 year old dog to get pregnant?

A female dog's first heat cycle may begin as early as 6 months to 1 year. Although they are not yet considered adult dogs,

at this age onward, mating and pregnancy can occur

. If your dog becomes a mother as early as her first heat cycle, she may not know how to act in this motherhood situation.

How long after bleeding is a dog fertile?

After about

9-10 days

, the bleeding will become more watery, or stop. It is at this time your female will, most likely, be at her most fertile. This proestrus stage can last as long as 20 days in some dogs. So the end of bleeding can be a more useful indicator of peak fertility.

Do dogs in heat smell?

You're not alone! But never fear,

this smell is perfectly natural for a female dog in the midst of her heat cycle

. While male dogs find the smell to be very alluring, it's not such a treat for their owners. Wondering what you can do to help mask it?

How many times a year is a dog in heat?

Most dogs come into heat

twice per year

, or about every six months, although the interval can vary between breeds and from dog to dog. Small breed dogs may cycle three times per year, while giant breed dogs may only cycle once every 12 months.

How much does it cost to spay a dog?

Clinic/Vet Base Price: Spay Spay, neuter, and vaccine clinic

$150–$240 (depending on weight)
Nonprofit veterinary clinic $50–$80 (depending on weight) SPCA/Humane Society Free Private animal hospital $320–$514 (depending on age and weight)

Can you walk a dog in heat?

When your dog is in season, it can be a stressful time for both you and your dog. Here are our top tips for tackling walks with confidence during those weeks of raging hormones. The short answer is

yes it is safe to walk your dog in season

.

How much blood is normal for a dog in heat?

Your dog will only bleed for

around half of the total cycle, usually 7 to 10 days

. Generally, bigger dogs bleed more than smaller dogs, but it varies between dogs. Some dogs bleed very little.

What is the best age to spay a dog?

When should I spay my female dog? We recommend waiting until your dog is

at least over 6 months and likely even older for larger dogs

. The benefits are much more pronounced in larger dogs, but there is not a lot of difference for lap dogs.

At what age is it too late to spay a dog?

As long as your pet is healthy,

there is no age limit

for spaying your dog. While the traditional age for spaying is six to nine months, dogs as young as five months can undergo the procedure. Even if there are some risks with senior dogs, the benefits still outweigh a few risks.

When can a dog get pregnant?

Even though most dogs can get pregnant

between six and twelve months

, this doesn't mean that it's best for the dog. The dog must be matured before getting pregnant and breeding, as it can lead to some behavioral or physical problems. Your dog should have a chance to grow up.

What do I do when my dog gets her first period?

Do dogs change after first heat?


Changes can range from quite mild to more severe

. Sometimes a female dog will become more affectionate and clingy with her owner, other times she may seem a bit grumpy. Appetite changes: It's not unusual for a dog to go off her food a bit during this first week, or she may get hungrier.

Can puppies be spayed at 3 months?


It's generally recommended to spay puppies between the ages of 4 to 6 months

, says the American Animal Hospital Association (AAHA). By that age a female 's sex organs are fully developed but she hasn't yet experienced her first heat cycle, during which she could become pregnant.

How do you stop a dog from bleeding in heat?

The bleeding can be controlled by

investing in some doggy diapers that your dog can wear while she is around the house

. If you can, keep her off the furniture, and perhaps leave her in a part of the house that has floors that are easy to clean, rather than carpet or rugs.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.