Pregnancy is divided into three stages, the first trimester (mating to day 21), second trimester (day 21-42) and third trimester (day 42 to full term). Gestation lasts an average 63 days (60-67) so it is important to note the service date so that due whelping date can be calculated.
In the first trimester, the bitch may show mood changes and variable picky appetite. There is no real change in the bitch's body condition during this period. Bitches, like humans, may suffer from morning sickness. At about 3 weeks of gestation many bitches undergo a short period of ...
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