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When will my tiny dog have her first heat and reach full adult size?

Updated On September 23rd, 2025

Pet's info: Dog | Pomeranian | Female | 6 months and 16 days old | 7.055 lbs

When will my Cali get her first heat?, I am really getting excited on her puberty stage. Same time, would like to ask also if the body built of my pomy change and getting like adult one? She is tiny.

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1 Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on May 8th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Cali is very cute! She will have her first heat cycle anytime now. In small breed dogs their heats usually start around 6-8 months. I would say at 6 months she is basically full grown bone wise. The only thing that may still change is her coat. I wish you the best!

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