So the past few days my Chihuahuahas been acting strange. I normally have her sleep in bed with us at night and she used to be kinda run away when I'd go to pick her up but she's gotten more okay with it for awhile and she even knows when it's time for bed and will stay still for me to get her. But the other night I fell asleep without her and woke up about 339am to her jumping around whining aside the bed as if she really wanted up so I picked her up and she's never came to me to where I could pick her up from the bed. And all day today she's done it 3 times. I've only out her down so I could eat and when I'm done eating she will bark and whin at me to pick her up. Could she be sensing that I'm pregnant?? I bought a bundle of pregnancy and ovulation test from Amazon so I've taken a few pregnacy test and they'd all been negotiate. Should I buy a better version and see the result?