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My dog is overdue with one puppy. When should I worry about labor?

Updated On September 23rd, 2025

Pet's info: Dog | Golden Labrador | Female | spayed | 4 years and 6 months old | 75 lbs

My lab girl is due to whelp on sat (if dates correct) with a single pup. How long should I leave it after this time, if she hasn't whelped? I'm worried that she may not produce enough hormones to start whelping and pup may die inutero.

1 Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on February 8th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! She will go in to labor regardless of how many puppies she is having. I consider 70 days overdue. The biggest concern for singleton pregnancies is the large size of the one puppy. A lot of dogs with just one puppy need C-sections. I've attached a handout I give my clients on whelping and when to be concerned. I hope this helps and I wish Emma the very best! Stages of Labor: -Stage 1 tends to start 10-24 hours after temperature drop (usually below 99 F). -Stage 1: nesting. Can persist for 3-24 hours before abdominal contractions begin -Stage 2: Visible abdominal contractions. FIRST PUPPY SHOULD ARRIVE WITH IN 1-2 HOURS. -Stage 3: passage of placenta. Usually occurs within 15 mins of passing puppy. If it does not happen, don’t worry. When to worry/Call: -Strong contractions > 45-60 mins without birth of a puppy -Weak and infrequent contractions >4-6 hours without birth of puppy ->4-5 hours between puppies (after birth of first puppy without birth of the next puppy). On average a puppy is born every 45-60 mins. HOWEVER, the mother can often rest for several hours between puppies. This rest period is NOT associated with contractions and usually doesn’t exceed 4-6 hours. -If one puppy is born and she is having VISIBLE contractions for >2 hours without 2nd puppy. Recommend calling around 1 hour mark to talk to someone. -Failure to enter active labor (contractions) 24-36 hours after rectal temp falls below 99 F -Mother is in obvious pain: biting at vulva, crying) -No puppy within 2 hours of seeing green vaginal discharge -No puppy within 1 hour of seeing clear fluid from vulva (rupture of allantochorion) -No puppy within 1 hour of seeing a clear/water filled balloon at vulvar lips (puppy is in birth canal)

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