I would get out of breath a lot more quickly. My heart rate
had jumped about 20 beats per minute (I had a resting heart rate
of 60 or less before). I told my doctor at around 11 weeks, and she checked my heart rate and said I was fine. I'm 17 weeks now and still getting winded quickly and have an elevated heart rate. Some of my friends said that it was a bit unusual to get winded so early on, but hey, now there's two of us.