The canine estrus cycle has four stages: Proestrus: The beginning of heat lasts between 7 and 10 days. During this time, the vulva begins to swell and your dog begins to bleed.

During your dog’s heat cycle, she will experience four phases, noted by various changes in her body and behavior. Proestrus is the start of the heat period when your dog’s body is preparing to ...

Puppies grow up fast - and can get pregnant at a very young age, too. Here's what to know before you decide to spay your dog or have your first litter.

Here's all you want to know about the estrous cycle in dogs. Many pet parents are not aware how the reproductive cycle works for their dogs due to many myths and misinformation. Wednesday, Jul 09 ...

False pregnancies begin around 45 to 60 days after your dog’s last estrus cycle — also known as heat — and mimic many of the symptoms of a true pregnancy.

Canine reproductive physiology is governed by a complex interplay of hormones that regulate the estrous cycle, ovulation, and subsequent fertilisation. Fundamental to this process is the ...