Pregnancy Timeline

Pregnancy Timeline

Week One (Day 1-7, 5/17 – 5/23)
DEVELOPMENT OF THE PUPPIES
• Fertilization occurs
• 2 cell embryos are in the oviduct
• The embryo is fairly resistant to external interference in development
CHANGES IN WENDY
• Possible morning sickness
• Possible personality changes
CARE OF WENDY
• Normal feeding
• Check any and all medications with vet prior to administering
• No insecticides (i.e., flea treatments)
• No live vaccines
TO DO LIST
• Put together pedigree on litter
• Start taking puppy reservations

Week Two (Days 8-14, 5/24 – 5/30)
DEVELOPMENT OF THE PUPPIES
• Embryo will be 4 cell at start of week and 64 cell by end of week
• Embryo enters the uterus
CHANGES IN WENDY
• Possible morning sickness
CARE OF WENDY
• Continue as with Week One
TO DO LIST
• Nothing special this week

Week Three (Days 15-21, 5/31 – 6/6)
DEVELOPMENT OF THE PUPPIES
• Day 19 (2/26)– Implantation of embryos in uterus
CHANGES IN WENDY
• See above
CARE OF WENDY • See above
TO DO LIST
• Nothing special this week

Week Four (Days 22-28, 6/7 – 6/13)
DEVELOPMENT OF THE PUPPIES
• Development of eyes and spinal cords
• Faces take shape
• Foetuses grow from 5-10 mm to 14-15 mm
• Organogenesis begins– Embryos are at their most susceptible to defects
• Days 26 – 32 (3/5 – 3/11) are the best days to palpitate (i.e.. feel for the puppies)
CHANGES IN WENDY
• Possible clear vaginal discharge
• Mammary development begins
CARE OF WENDY
• After Day 26 (3/5), palpitation may be possible to diagnose pregnancy
• Limit strenuous activity (such as working, jumping, long runs)
• Add a hard boiled egg to food on alternating days
TO DO LIST
• Schedule ultrasound or Relaxin test (after day 30) to confirm pregnancy.

Week Five (Days 29-35, 6/14 – 6/20)
DEVELOPMENT OF THE PUPPIES
• Development of toes, whisker buds, and claws
• Foetuses look like dogs
• Gender can be determined
• Eyes (previously open) now closed
• Foetuses grow from 18 mm – 30 mm
• Organogenesis ends — embryos are fairly resistant to interference with development
CHANGES IN WENDY
• Swelling becomes noticeable
• Loss of “tuck-up”
• Weight will start to increase
CARE OF WENDY
• Slightly increase amount of food and switch to puppy kibble.
TO DO LIST
• Nothing special this week

Week Six (Days 36-42, 6/21 – 6/27)
DEVELOPMENT OF THE PUPPIES
• Development of skin pigment
• Foetuses should weigh around 6 grams and be 45 mm long
• Foetal heartbeats can be heard with stethoscope
CHANGES IN WENDY
• Nipples darken and enlarge
• Abdomen continues to enlarge
CARE OF WENDY
• Add hard boiled egg to food daily
• Increase the amount of food
• Wendy should start sleeping in whelping box
TO DO LIST
• Assemble whelping box
• By this time I should be fairly sure that Wendy is pregnant. Notify the people on your puppy list. Let them know when you expect delivery.

Week Seven (Days 43-49, 6/28 – 7/4)
DEVELOPMENT OF THE PUPPIES
• Growth and development continues
CHANGES IN WENDY
• Abdomen hair will start shedding
• Wendy will start to look pregnant at this point
CARE OF WENDY
• Slightly increase both meals
TO DO LIST
• Stop any roughhousing or jumping
• Radiographs (X-rays) possible to determine number and size of puppies

Week Eight (Days 50-56, 7/5 – 7/11)
DEVELOPMENT OF THE PUPPIES
• Foetal movement can be detected when Hoover is at rest
• Puppies can safely be born from now on
CHANGES IN WENDY
• Milk may be squeezed from nipples
• Wendy will be very large.
CARE OF WENDY
• Add moderate lunch
TO DO LIST
• Gather whelping kit
• Prepare phone list for help/support. It should include your vet’s phone number, the emergency clinic’s phone number, the number of any friends who will be offering support during whelping, and anyone else you might need to contact before, during, or after whelping (like your office to let them know you won’t be in!)
• Make sure your car is fuelled up and ready for a possible emergency trip to the vet’s office.

Week Nine (Days 57-63, 7/12 – 7/18)
DEVELOPMENT OF THE PUPPIES
• Growth and Development continues
CHANGES IN WENDY
• Nesting behaviour may be seen
• Wendy may become distressed (panting, pacing, acting uncomfortable)
• Temperature should be around 100.2-100.8 degrees Fahrenheit
• When temperature drops to around 98-99.4 degrees Fahrenheit, puppies should be born within 24 hours
• Appetite may disappear as whelping approaches
CARE OF WENDY
• Start taking temperature three times a day
TO DO LIST
• Notify vet or emergency clinic when temperature drops so that they will be ready if you have any problems
• Keep detailed records on temperature and behaviour of Wendy
• Double check that whelping supplies are ready Post Partum
• Make sure each puppy gets some of Wendy’s colostrum (first milk) within first 24 hours.