Your resting heart rate during pregnancy should be just like normal anywhere from 60 beats per minute to 100 beats per minute.Anything more than 100 would be tachycardic and anything below 60 in bradycardic and both of these ailments need medical especially during pregnancy.nswer by DrColbath (103). Your heart rate during pregnancy should be a little higher than your normal heart rate. On average, a woman's heart rate is 70, which may increase to 85-90 during pregnancy.