Mine is kind of a long story... My husband and I tried for nearly two years and we lost two babies. We had just reached the point where we had pretty much given up and were looking into infertility treatments after being diagnosed with unexplained infertility. I wasn't expecting pregnancy at all, after all, we thought we were infertile so when my period was late I paid no attention. I got the classic signs: dizziness, feeling sick, tired, moody, etc. My husband suspected but he didn't say anything because he didn't want to get our hopes up.
Finally, I realized I was late and I took a pregnancy test and it was positive! But because of the previous losses I went to the doctors for my betas (aka hcg levels - hcg is the pregnancy hormone). I got them and they were perfect so on the way home I stopped at the store and bought ginger ale, crackers, booties, and a bib that said "I love daddy" and gave them to my husband. He was so excited!