Resolution is the number of <term>pixel</term>s (individual points of color) contained on a display monitor, expressed in terms of the number of pixels on the horizontal axis and the number on the ...
The bleeding should last no more than 3 weeks and should be more intense during the first days. The dog can get pregnant only during the first 2 to 3 days after the heat cycle has started. If you want to breed your dog, you will have to ask a vet to determine the best time to do this.
A female dog can only become pregnant when she is breed at the right time, conditions and heat cycle. The duration of pregnancy is usually last about 60 days however this number is only approximation and the real period duration can be shorter or last longer depend on the surrounding conditions and other factors.