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"Puppies develop from a fertilized egg to a viable fetus over a very short period of time - about nine weeks (58 &amp;ndash; 63 days on average). This period is called &amp;ldquo;gestation.&amp;rdquo; Gestation ends when parturition (birth) occurs. Anyone breeding a litter should become familiar with the stages of fetal development so that they can take all steps necessary to attend to the needs of their pregnant dog and her future offspring. Here&amp;rsquo;s a snapshot of what goes on inside a dog once she has been bred successfully:"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.petwave.com/Dogs/Basics/Pregnancy/Fetal-Development.aspx>