Some of the pairings listed below are waiting to be bred and some have already bred. If there’s a specific date listed on the Due Date, the pairing has bred. Please know that though a female has been bred, this does not ensure pregnancy. The earliest a pregnancy test can be confirmed with a canine is 28 days after conception. Pregnancy is confirmed by a laboratory blood test. 
Also, please be aware the typical litter is 6 puppies,  pregnancy confirmation does not Guarantee a litter or the number of puppies born, there is always a chance there can be more or less. A dog’s gestation is 63 days on average.