I have a pair of Schnauzers, and recently i Noticed tat my female schnauzer (who is 3 yrs old) is getting fatter, and her nipples are getting getting a bit swollen.

but she is still as active as before.

However, she have not had her "period" before, so can she still get pregnant?

What are the other possible signs tat i hv to keep a lookout for her suspected pregancy?

I am always seldom at home, due to work, so i cant possibly keep a close lookout for her all the time.

any advice?

Hey there. Well the most accurate way of knowing for sure, is to take her to the Vet. They can give you a for sure answer. Sometimes when a dog goes thru her heat (you miss the signs and you don't know if she had a "period" or not) But the way you say she is getting fatter and her nipples are swollen, just keep a look out and you will know soon enough. But if you want an accurate answer, take her to the Vet.

~doggie_luv~

UNBELIEVEABLE!