07 kg Females 2. . The Rottweiler Lab is a hybrid designer dog, whose parent breeds are the purebred Labrador Retriever and pedigree Rottweiler dog. Your bitch's behaviour will probably change during this time too- look out for the following signs. Dr. Typically, puppies should arrive about 63 days (just over 2 months) after conception. The approximate expected time of a dog's pregnancy is 63 days, although puppy gestation can vary by several days. They don’t need to be walked in the rain, they come in a wide range of beautiful colours, shapes and sizes, an. Size of the litter: The number of puppies a dog is carrying can also impact the duration of the pregnancy. As your dog's delivery date draws near, you'll need to prepare for whelping. In this stage, the dog’s discharge will vary in color. 2C, and once it drops below 37. For the dam it’s the half-way point, which means another month to go. Bengal Stud £250. As such, if you are unsure just when the mating occurred, it could prove to be a problem. Days 45-65. Sep 28, 2023 54 days to go. In the second month of dog pregnancy, the pups develop pretty rapidly - by day 32, their eyelids form, by day 35 their toes have grown, with claws appearing by day 40, along with the coat and skeleton by around day 45. Pregnancy in dogs can be diagnosed through ultrasound between days 25 and 35 of pregnancy. 2. A phantom pregnancy is when a bitch behaves to all intents and purposes as if she is pregnant, which may involve both behavioural and physical changes, when it is impossible for her to have conceived. The different stages of dog pregnancy have varying lengths. Sep 29, 2023 53 days to go. They will be restless. 7. Health & Safety. Dog Pregnancy Calculator. The heat cycle can make an unspayed female dog capable of becoming pregnant. As your pet's due date. Sun: 8am - 3pm. lunging, and snapping at them. About 24 hours before birth, this temperature should drop to about 98-99. A dog’s breed is another factor that affects their overall gestation period. Has lived with young children and cats and is very excitable around other dogs (please see below). Williamson saved the Bearded Collie from vanishing altogether when she began a breeding programme in the mid-1940s. Key Takeaways. Family history. Most small breeds will be pregnant for an average of 63 days, while larger breeds may stay in heat for up to 72 days. Adult males stand at 58–61cm and adult females 56–58cm. The reproductive cycle of intact female dogs involves going into heat approximately once every 6 months, with each heat cycle lasting about 18-21 days. Smaller breeds like Chihuahuas generally have shorter gestation periods of between 58 and 63 days. From the first day of diestrus: 56-68 days. 3. While pregnancy undergoes, you will see the following signs that note the stages of pregnancy: Heartbeats – puppies` heartbeats, to be precise. It can vary from around 58 to 72 days in total or between eight and 10 weeks. Loss of appetite and less energy. The condition presents with virtually no symptoms in most cases and the bitch may appear well and the pregnancy proceeding normally-however, canine brucellosis can lead. keep dogs together. 2 degrees Celsius to 36. After 14 to 15 days, the dog’s nipples begin to grow a little and develop a darker pink tone. Quantifying Food and Water Intake. I would take her temperature rectally. Pre-term birth is quite rare in canines. Put out the flags and start knitting puppy-sized bootees. The most extreme potential option open to the dog owner and one choice that is never undertaken lightly is to arrange a veterinary abortion for your bitch. The first month of your dog’s pregnancy is full of small changes, including the following: Week 1: Your dog becomes pregnant. 56-58 days since the first day of diestrus. Dogs typically give birth somewhere around 63 days after. Puppies should receive two vaccinations, the first at around 8 to 10 weeks of age and the second, two weeks later at around 10 to 12 weeks of age. As soon as you notice. A ban of American bully XLs has led to dogs being abandoned and "killed en masse", the founder of a pet rescue centre has said. This is normal. Appetite Changes. Days 21 to 28. Day 5-8. Key Takeaways. Note: your dog should not be vaccinated. Physical changes after the pups are weaned. The estimated due date of your dog's pregnancy is 63 days. The breed is thought to be one of the oldest native dogs in Scotland. Once the gestation period comes to day 50, you should have an x-ray booked in so that you can find out how many puppies are in. How Do I Know If My Dog Is Pregnant? If you think your canine friend. #2 Abdominal Enlargement. After breeding, ensure that your pregnant dog eats enough calories and nutrients. co. Dog pregnancy tests are generally safe. The 9 week pregnant dog: days 56 – 63 A dog pregnancy ultrasound, which should be done around day 25–28 of the pregnancy. Whelping after 54-55 days is a bit early and may indicate a problem. . 2 months) 1. How long. (This does not always match the exact day of breeding. Having a pregnant dog is an exciting time for any pet owner, but if it’s your first time, you might have no clue what to expect on the different dog stages of pregnancy. It can be difficult to predict the exact day of delivery, however, because the date of mating is not always the date of conception. Just like humans, dogs begin their pregnancy when. They are 9 weeks old,born 28/08/2023. Avoid stress, upset and things that. Pedigree Yes. This blog post will discuss five signs to look out for that may indicate that your dog is pregnant. As your dog enters the third trimester around day 45, you will notice many more physical changes, including an increasingly large belly, mammary gland enlargement, and pigmented nipples. However, this is just an average, and the puppies may arrive anywhere between 56 and 70 days. + Development of eyes and spinal cords. Used to children and a busy home. Early Signs of Dog Pregnancy: Changes In Size. • 10 November 2022. There are also purpose-designed foods made for pregnant and lactating dogs. The gestation period of a dog is roughly 63 to 65 days. By Mike Clark. Canine brucellosis. 5ml per 1 kg bodyweight of puppy or kitten each day for 3 consecutive days at 2, 5, 8 and 12 weeks of age. Duration of dog pregnancy. Nielsen, DVM, of Winterset Veterinary Center in. Dog Pregnancy Stage 3: Late Pregnancy. During week three, the implanted embryos will begin to develop their organs, which causes a massive hormone surge within the pregnant cat. Weight Gain. Dog Pregnancy Symptoms Week by Week. Proper nutrition and regular checkups are crucial for a successful pregnancy. 3- 37. Pregnant English bulldog at 6 weeks. An average pregnancy lasts for anything from 56 to 70 days depending on the breed, so this is still early days. Schedule an ultrasound for your expecting dog. + Organogenesis begins– Embryos are at their most susceptible to defects. Canine brucellosis is a bacterial condition that once again, is a canine sexually transmitted infection, and one that should be tested for prior to breeding. Once it has implanted, the puppy begins to develop. uk and any subdomains and the Pets4Homes apps. Early Detection. Through the second and third trimesters, the puppies will develop rapidly, and your dog will show obvious signs of pregnancy. Maintenance levels + 10%. + Fetuses grow from 5-10 mm to 14-15 mm. The heat cycle lasts for about two weeks and is characterized by the female becoming. Fetal skeletons will be visible on an x-ray around day 45 as well (as shown on. However, the length of each stage can vary depending on the dog’s breed, size, and health. The other downside to this type of injection to terminate a pregnancy in. When your dam weans her litter, her body no longer needs a huge amount of calories to support the additional demands placed upon it by her young. Like humans, dogs go through a gestation period when they get pregnant. The face appears to be that of a mammal but most closely resembles a pig-like. A pregnant dog goes through a remarkable journey, and understanding the timeline is crucial. First day of mating. Keep the vet’s number posted in a prominent place during the last few weeks of your dog’s pregnancy. However, pregnancy length can vary by a few days on either side. However, this can vary significantly. This condition does not occur in spayed bitches, and is not hugely common even in unspayed bitches, but is something that owners of. 13. Her average temp has been. See more ideas about irish wolfhound, wolfhound, irish wolfhound dogs. Implantation: This is the first stage of pregnancy, and it occurs about 7-10 days after mating. Dogs typically give birth somewhere around 63 days after conception, depending on the exact time of mating and fertilization, although this can vary slightly depending on the breed. Palpation. Therapy Dog Dalmatians; JLS Companion Dalmatians; JLS Owners Account Login; Dalmatian Puppies. Veterinary Care. Stage One. A typical adult dog ranges in temperature between 100 and 102. Report. During this time, the york should be protected from excessive exercise to protect the puppies from possible damage. The most important stages of a dog’s pregnancy are: In the fourth week – a vet will be able to confirm the pregnancy with an ultrasound. While 63 days, or approximately nine weeks, is the average gestation period, dog due date accuracy is not 100 percent. Dogs are pregnant for an average of nine weeks, so dog pregnancy changes day by day. It is recommended to use this dog pregnancy test on days 21–28 after mating. It is possible to recognize the nose, mouth and lips. Subscribe an. Each pregnancy comes. 2 Electromagnetic radiation in large doses is not good for humans or dogs, which is why your dog is covered in a lead shield over areas other than the abdomen during an X-ray. 58-72 days from the first time the bitch allowed breeding. Here are the most common! Palpitations. The following signs and symptoms are what you’ll be expecting to find if your dog is pregnant: 1. Here are the dog pregnancy symptoms week by week: Early pregnancy: Week. (same care and suggestions as week one) Fourth week. Most dogs are pregnant for an average of 63 days, though that can vary depending on the breed and size of the dog, says Dr. Veterinarian Dan Rice recommends taking the rectal temperature at the same exact time each day for more accuracy. How long does pregnancy in dogs last? Pregnancy in dogs, also called the gestation period, normally ranges from 57-65 days, with an average of 63 days. The X-ray can also precisely figure out the number of puppies in the womb. There are available blood tests to determine pregnancy ; however, they are inaccurate and not a valid method for determining pregnancy. 56-58 days from the first day of diestrus. However, no visible contractions are seen at this stage, but you can guess some symptoms that a dog in labor faces during this stage. Greeting new puppies in the house is a pleasant experience that every dog owner wishes to witness once in their lifetime. After 14 to 15 days, the dog’s nipples begin to grow a little and develop a darker pink tone. Once fertilized, embryos move from the upper portion of the female dog’s uterus down to the lower part. They boast largish broad heads with a virtually flat skull and a moderately defined stop. If you know the mating date, your vet can confirm the pregnancy 28 days later through a palpation test. 1. This includes increased urination, intense panting and restlessness, and increasingly frequent urination. This is most noticeable if your dog is naturally full of energy. From day 50-56, the pups’ bones and. BJ Hughes. The day-to-day routine in your home regarding your dog is the underpinning of the fabric of his life, and one of the key areas in which routine and consistency are particularly important. Your bitch should have gentle exercise up until whelping. You would need to pay anything from £200 to over £700 for a well-bred pedigree puppy. Keep the dogs together – they have to decide who gets them. A dog’s pregnancy length (or gestation period) is around 63 days from ovulation, or just over two months. The discharges with pregnant dogs can manifest as early as 4 to 5 weeks, and these regular fluid discharges are clear. According to WebMD, dogs are pregnant for roughly 63 days, which is exactly 9 weeks. They’ll usually deliver their puppies around two months after conception. 56 days pregnant and this little sausage dog looks ready to pop! We can't wait to meet the mini dachshund puppies and see how many she's having. Some noticeable changes to look out for in your dog during this second month include: Increased appetite until day 45, then decreased appetite. From the initial rise in progesterone: 64-66 days. The two-cell embryos are in the oviduct. This lengthy 4-5 month period makes up the bulk of the canine oestrus cycle. Just make sure she's not doing a lot of jumping or running up steps. Sat: 8am - 4pm. If you go off breeding dates, it's not as accurate. (same care and suggestions as week one) Fourth week. Puppy development is almost complete around day 58, which means the puppies will begin to move into whelping position in the birth canal over the last few days of the bitch’s pregnancy. Caucasian Ovcharka. Pets4Homes (is the UK’s largest online pet marketplace, relied upon by up to 7 million people monthly, and helps rehome over 2,500 pets each day. From the first day of diestrus: 56-68 days. Vet can palpate (feel) and possibly detect pregnancy between days 27 and 31(after day 32, fluids increase to protect pups and making palpating not possible). A normal dog gestation period (or pregnancy) is 63 to 65 days, regardless of the size or breed of the dog. If your dog is pregnant, you may notice the following signs. Dog Pregnancy Calendar Week by Week. The dog must be 25 to 30 days into the pregnancy for the test to be accurate. We have just had a litter of seven healthy puppies born on day 60 of pregnancy. The American Bully shares the same length of pregnancy as most large breed dogs, around 62 to 64 days from the date of mating, or approximately two months. Some dogs may give birth as soon as 58 days after breeding or as long as 70 days after breeding. However, with three or more puppies, they may come to harm if the dog's gestation period is longer than 71 days. Mixed-breed dogs tend to be. Here are some of the big milestones to be aware of: Day 30: Your veterinarian should be able to detect fetal heartbeats on an ultrasound. A dog pregnancy isn’t always planned, and due to their relatively short gestation periods (about 56-70 days), some pet owners might not even know their dog is pregnant until they’re about to give birth! If you notice any of these signs of pregnancy in your unspayed dog, it's time to take her to the vet:Bitches normally have a rectal temperature of about 100. Apr 3, 2022 - Explore Boxer's Del Grego's board "Dog pregnancy day by day - stages of dog pregnancy", followed by 129 people on Pinterest. Very affectionate and playful little girl, sadly having to be rehomed as my son is allergic. Determining the date of conception can be challenging since sperm can remain alive inside of the female for several days, and eggs are able to remain fertile for up to 48 hours. The most important stages of a dog’s pregnancy are: In the fourth week – a vet will be able to confirm the pregnancy with an ultrasound. Puppy development is almost complete around day 58, which means the puppies will begin to move into whelping position in the birth canal over the last few days of the bitch’s pregnancy. During diestrus, the hormonal levels stabilize, and the dog’s body prepares for. A ban of American bully XLs has led to dogs being abandoned and "killed en masse", the founder of a pet rescue centre has said. In the early stages of pregnancy, your dog is unlikely to show many signs other than slightly larger/pinker nipples and a swollen vulva (private parts). (1) I have seen puppies born as early as 58 days post breeding, however, and heard of dogs that have gone as long as 72 days before delivering puppies. Males 7 - 11 kg Females 7 - 11 kg (Mittel) The German Spitz is a compact dog that boasts having quite a square look about them when seen in profile. Abdominal X-rays , which can be done on day 45. They have very large heads with their ears being set just above a dog's eye. One mating session is enough for a female dog to become pregnant. Your dog will be able to eat and exercise as normal, but talk to your vet first before you give any flea treatments during this stage of gestation. Dog Pregnancy Calendar Week by Week. 3-39. This is the reason why you should always take your dog to the vet if you notice any of these, just to be sure. The dog pregnancy calculator is based on the fact that gestation in dogs lasts for about 63 days (almost two months). From conception to birth, there are three stages your dog undergoes. This tests for the hormone Relaxin, but the dog must be at least 30 days pregnant for the test to be accurate. When her body temperature drops from around 38. The date above shows an estimation of the earliest and latest dates for. Health & Safety. German Shepherd Pregnancy Calendar. Dog Pregnancy A Week by Week Pregnancy Calendar Pets4Homes. Most canine pregnancies are between 58-68 days, with most dogs giving birth close to the 62 day mark. She may even appear uncomfortable at this point, as her belly will typically become rigid and tense at this point. Week 2 (Days 8–14): The embryos grow from 4 to 64 cells over the course of the week. Breed Facts. If your pregnancy is making you weepy or leaving you tackling mood swings and erratic feelings, your dog will probably stick close to try to help. They have long muzzles that are about half the length of their entire head. You can expect a Staffy cross Jack Russell to fall somewhere in the middle of the following average measurements. Same requirement as adult maintenance. During this time, the puppies are growing and developing rapidly inside their mother’s womb. Height at the withers: Males 20. After mating, the sperm may live up to several. Schedule an appointment with their veterinarian to learn more about your dog’s individual needs. Average weight: Males 50 - 59 kg Females 38 - 50 kg. A sudden change in a dog’s energy levels could signify pregnancy. HUHKOUAE Pet Dog Pregnancy Test Paper. Day 56 of Gestation (pregnancy) Day 51 of Gestation (Pregnancy) October 3, 2023. Is used to detect the early stages of dog pregnancy, from day 21 to day 28 after breeding. This normally occurs within 2-3 weeks of gestation, but is most evident at 21 days. Surgical termination, which involves removing the fetuses from the uterus via a procedure, can cost $2000 - $3000, depending on the complexity of the procedure. Thereafter, add 10% more food to each meal per week. Anoestrus – This is the phase of the oestrus cycle where the female is non-fertile. During the final week of dog pregnancy, mums-to-be may be a little restless and seclude themselves in a quiet area. If you know when your dog was bred, your vet can do belly palpation around the 28-30-day mark if you know the date. A slight mucus discharge may occur around one month after mating. Dog Pregnancy. Days 21 to 28. Very affectionate and playful little girl, sadly having to be rehomed as my son is allergic. I am needing to know what to expect. This will ensure that she is in good physical condition for whelping. M. They boast large heads which are well proportioned in relation to the rest of their body. During pregnancy, the developing puppies undergo significant growth and development. The Canine Pregnancy Timeline. During one mating, the male is able to release about 500 million sperms. Up to date with flea, wormers ect. Anyone who's ever been pregnant will be a bit envious after reading this tidbit: A dog's pregnancy is remarkably short—just two months—and the development of puppies happens at a rapid pace. Full body hair develops by the eighth week. Maltipoos are delightful dogs with some being much smaller than others because it depends on which of the parent breeds they throw to. Length Of Pregnancy: The length of a dog's pregnancy, also known as the gestation period, is generally between 57 and 65 days, with an average of 63 days. lunging, and snapping at them. £1,200. While a human’s pregnancy lasts nine months, a dog’s only goes on for about nine weeks! However, like people, this is only an average, and your new puppies may arrive in as little as 56 days or up to 70 days. Pug Age: 7 months 1 female. 58-72 days from the first time the bitch allowed breeding. English Bulldogs are pregnant for 63 days or 9 weeks on average, although this may vary by a few days depending on several factors. Week 9 (days 56 to 63) – The dog is getting ready to deliver. Pregnancies can be different. Beautiful border terrier puppies for sale dog's and bitches. e. – A dog pregnancy can vary between 56 – 70 days. Antje Joslin, D. However, Cleary Lake Veterinary Hospital goes on to explain that it’s quite normal for dogs to have a gestation period of. Others believe that dogs can give birth during any other day of the month, but they are especially. How Long is a Dog Pregnant. 3. The mating or matings have taken place and the process begins. When broken down into trimesters, this comes out to 21 days per trimester. Dogs have a gestation period of 56 to 70 days, or around two months. This is the average length of pregnancy for most dogs, although it can vary by a few days. 17. Dog Pregnancy Week 6 Pictures. Protecting those kids like the good dog he was! I still miss him every day. The first month of your dog’s pregnancy is full of small changes, including the following: Week 1: Your dog becomes pregnant. Dog Pregnancy Stages Day By Day. During this stage, the puppy embryos travel through the mother dog’s reproductive system and embed themselves into the lining of her uterus within the first two weeks to 16 days. The Rottweiler Lab is a hybrid designer dog, whose parent breeds are the purebred Labrador Retriever and pedigree Rottweiler dog. About Us. Day 58+: considered to be full term, average length of dog pregnancy is 64 days; Dog waist will trim as puppies move into position for birth canal. 2. Chesapeake Bay Retriever. From the first day of diestrus (the 3rd stage of heat), gestation is 56 to 58 days. The hormonal changes that pregnancy causes can lead to mood swings, emotional changes and feelings that dogs are very sensitive to, as they are so tuned into the moods and tempers of their people. k. By week six you will notice significant weight gain in your pregnant dog. Dog pregnancy, also known as gestation, typically lasts for an average of 63 days. A dog’s gestation period (how long they are pregnant for) is approximately 63 days/9 weeks, but can vary between 56-72 days. Jack Russell height: 25-38cm. Your vet can confirm a pregnancy using a relaxin dog pregnancy test as early as 22 days after conception. Do keep your appointment with the vet as you may want some x-rays done to know how many puppies your dog will have. First things first, your Border collie must be the right age to cope with pregnancy, no younger than 2, and ideally at least 3. A pregnant dog may be drowsier or more lethargic than normal, especially as her belly grows. Weight: American - Males 45 - 56 kg Females 45 - 66 kg. Nipples are swollen and red due to milk production for puppies. In this comprehensive guide, we’ll take you through week-by-week of dog pregnancy, from the first signs of conception to post-birth care. The puppies will be born at any moment during week nine! The pregnant mother may have a decreased appetite, she may be nauseous, and she will likely be displaying obvious nesting behavior. A healthy canine pregnancy can last from 58 to 68 days, but the average delivery date is 63 days after mating. The upfront cost depends on the breed and where you get it from. Short Answer: 58-68 days. Hi, in answer to your original question, no Pets4Homes dont use farmed pups. Sep 26, 2023 56 days to go. How to tell if a dog is pregnant. 7. Dog Pregnancy Symptoms At Week 8 Days 50 56 Once your dog reaches week 8 of their pregnancy their puppies are fully grown within their uterus This means that your pups stomach will be noticeably distended and you will likely see the puppies moving around in their belly. Some other signs of first stage pregnant bitches are: Weight. Veterinary abortion. 2C, and once it drops below 37. 42 days of Pregnant Dog# PregnantDoberman #WeekbyWeekPregnantDog #PregnantDogCareIf any Doubt. Deafness. Dog Pregnancy Test #4: X-ray. Published on August 24, 2020. They may not show for at least a month, but their behavior will give it away. She is within 24 hours of delivery. If there are two matings, note the dates and expect birth to occur between 63 and 65 days later. Hi All,This Video is about 6th week Pregnant Dog. Gradually, the embryos become blastocysts. (Days 8 – 14) the cells begin to grow and separate, new embryos descent into the uterus. Mating The typical duration of the dog gestation period is 63 days from conception, although this can vary from 56 to 70 days, depending on the breed. Dogs are typically pregnant for an average of 63 days, but it can be difficult to predict the time of delivery. Using our dog pregnancy calculator, we can estimate that gestation typically lasts around 63 days, but can vary between 58 to 68 days. Usually, if a dog goes into labor early, it’s because of an underlying health issue. 56 days is the earliest recorded time a dog has given birth in North America1. Chapter 4: Canine Ultrasound Scans at 21 Days Performing a dog pregnancy scan at 3 weeks or 21 days into the pregnancy is a significant milestone. Compared to the 40 weeks of human gestation, a dog’s pregnancy is remarkably short—“62 to 65 days,” Nielsen says, and the fetal development happens at a rapid pace over those two months. 3. Your dog is having puppies! But once that initial excitement has subsided, it’s only natural for a pet parent to start worrying. – A dog pregnancy can vary between 56 – 70 days. 5. The first stage of canine pregnancy coincides with the first month that a dog is pregnant. This is also the earliest a vet can feel the puppies in the uterus. 1 answer. Just like humans, dog pregnancies have trimesters, each of which lasts for 21 days, meaning an entire dog pregnancy is typically 63 days long. German Shepherd puppies looking for new loving forever home. Keep your veterinarian's contact numbers handy, and have your car ready in case of complications. A very early tell-tale sign is that all calling will stop and the cat's appetite will subsequently improve. A dog gestation period, aka dog pregnancy, is roughly 63 days post-conception, though this can vary between individual dogs and breeds. Morning sickness is one of the first symptoms of human. If your bitch is bred then, you can expect puppies exactly 63 days post ovulation. My dog seems to be having a sollen viginal after her heat and this will be d second week after mating her is that also a sign of pregnancy yayah michel october 31 2019 at 8 02 am my dog is at her day 47 today but her stomach isn t developing. To know when this happens, take your dog’s temperature twice a day with a rectal thermometer throughout the final week of pregnancy. Your vet will probably be able to tell you if your dog is actually. 56 cm Females 20. 8 o F. Dogs are pregnant for about 63 days or nine weeks, though this may vary by a few days depending on several factors. Avoid having lots of visitors or strangers around that your dog doesn’t know, and keep her bed and nesting box in a quiet area of the home. What are the symptoms of pregnancy in dogs?This post may contain affiliate links. However, the average length of time puppies arrive after conception is roughly 63 days or two months. Gradually, the skin from the dog’s abdomen and that around its nipples becomes thinner. This step by step guide tells you what to expect during your dog’s pregnancy and gives you practical advice and important information to help things run. Three loving Pomeranian puppies looking for they’re forever home. Yes, it is possible that Flossy is going into labor. Have first vaccine,microchip,worm and flea treated. My cat (Dsh, female, 3 years old) ate pieces of aluminium foil 48 hours ago. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. An unwanted dog pregnancy (or "mismating," as it is called in veterinary practice) can be ended in a number of ways. While the normal gestation period for a dog is about 63 days, this number varies widely. Whelping after 54-55 days is a bit early and may indicate a problem. Pregnancy and birth-related health issues are not exceptionally common in dachshunds but they can. Smaller dog breeds tend to have shorter pregnancies, while larger breeds may have longer ones. Week 9. Terms & Conditions. Week 1After about 10 to 12 days, the eggs become fertilized and are implanted in the uterine wall. Week Four (Days 22-28) DEVELOPMENT OF THE PUPPIES.