Calculate your dog's estimated due date and track pregnancy progress with our weekly development timeline.
Fertilization occurs. Embryos travel to the uterus. No visible signs yet. Maintain normal routine.
Embryos implant in the uterine wall. Slight appetite changes may occur. Some dogs show mild morning sickness.
Vet can confirm pregnancy via ultrasound. Fetal heartbeats detectable. Slight belly swelling may appear.
Fetuses grow rapidly. Belly becomes noticeably larger. Increase food by 25%. Nipples may enlarge and darken.
Puppies are developing fur and features. X-rays can now determine litter size. Continue increasing nutrition.
Mother starts nesting. Hair may shed on belly. Increase food by 50% of normal. Prepare the whelping box.
Puppies are fully formed. Mother may become restless. Watch for temperature drop signaling labor within 24 hours.
Expected delivery around day 63. Labor begins with contractions. Contact vet if labor lasts more than 24 hours or between puppies.