Increased resting heart rate??

Hi ladies.

I am roughly 6 weeks pregnant with my rainbow baby and have been wearing my apple watch religiously for the last six months. My resting heart rate was averaging at about 52-55 for months, and when I got pregnant, it started increasing dramatically. Today, as an example, my resting heartrate is at 70!! Is this normal?? Although still plus size, I lost 25kgs over a period of four months, leading to natural conception. I lost the weight through healthy excercise and nutrition. So I was monitoring my resting heart rate to in a way track my fitness? And now this...