Some women know from the moment of conception. Others know from some secret signal they or their husbands sense or become aware of. Still others don't have a clue until their tummies bulge and their periods finally stop! We are talking about the very first signs of pregnancy: those tiny clues your body sends that are an indication of things to come.

For some women, it's physical. Shelley Divnich Haggert, a mother of three from Windsor, Canada, knew exactly when she became pregnant – at least after the first one. "It's the oddest thing," says Divnich Haggert. "My feet get hot from almost day one. I can't stand having socks, blankets or anything else on them."

For others it's emotional. "The biggest sign came Thanksgiving weekend," says Trina Lambert, a mother of three from Englewood, Colo. "I was working on my Christmas cards and was addressing and stamping the envelopes. I had out my inexpensive return address labels. When I looked up again, my dog had grabbed them and spread several torn labels around the floor. I burst into tears over this!"

It only took Lambert a minute to realize it wasn't that big of a deal, but she wondered why she reacted so strongly. When she missed her period the next week she took a pregnancy test and sure enough, she discovered she was about 4 weeks pregnant.

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