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  2. A Comprehensive Guide to Navigating Your Dog’s Pregnancy - AOL

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    Dog pregnancies are typically divided into three stages: 1-3 Weeks: Small changes take place with a female dog’s body and behavior. It’s often hard to tell that they are pregnant this early ...

  3. The First Signs Your Dog May Be Pregnant - AOL

    www.aol.com/first-signs-dog-may-pregnant...

    During that fertile period, female dogs can get pregnant around twice a year with each “heat season” lasting three weeks. Furthermore, a pregnant dog’s gestation period lasts between 56-70 ...

  4. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    Diestrus lasts approximately 56 to 60 days in a pregnant female, and 60 to 100 days in a non-pregnant female. During both of these periods, progesterone levels are high. Because the hormonal profile of a pregnant female and a female in diestrus are the same, sometimes a non-pregnant female will go through a period of pseudopregnancy.

  5. Dog breeding - Wikipedia

    en.wikipedia.org/wiki/Dog_breeding

    Dog breeding is the practice of mating selected dogs with the intention of maintaining or producing specific qualities and characteristics. When dogs reproduce without such human intervention, their offspring's characteristics are determined by natural selection , while "dog breeding" refers specifically to the artificial selection of dogs, in ...

  6. Dog - Wikipedia

    en.wikipedia.org/wiki/Dog

    The dog can sometimes vomit and refuse food during child contractions. [122] In the later stages of the dog's pregnancy, nesting behaviour may occur. [123] Puppies are born with a protective fetal membrane that the mother usually removes shortly after birth. Dogs can have the maternal instincts to start grooming their puppies, consume their ...

  7. A week-by-week guide to common pregnancy symptoms - AOL

    www.aol.com/news/week-week-guide-common...

    Pregnancy Symptoms Week 3 Let's say the first day of your last period was April 10 and you became pregnant thereafter; that would mean your baby was conceived around April 24, or during week three.

  8. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. [1] It has been shaped by millennia of contact with humans and their lifestyles. As a result of this physical and social evolution, dogs have acquired the ability to understand and communicate with humans. [2]

  9. How to Read Dog Body Language, According to a Dog Trainer - AOL

    www.aol.com/read-dog-body-language-according...

    They break down dog communication (both verbal and physical) into five categories: fearful, aggressive, anxious, relaxed and excited. Most canine communication combines more than one of these ...