Our expert says:
I suggest you go and look up on dog breeding on the net or at the library before your dog is pregnant. It is important to know how it works. Your bitch will be in season for about 3 weeks, when she will also bleed (not the same as humans). She is most fertile and receptive in about the middle week, so your male dog could easily impregnate her, even though he is quite young. When they mate they will probably tie, which means they get "stuck" back to back for up to 20 mins, so don't panic. Most breeds, including Labradors, don't need to be helped so I suggest you just keep out of the way and let them get on with it.
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