I'm 11 weeks and noticed shortness of breath - any one else had or having ?

Zoe • 27 years old and engaged to my best friend, my soul mate 💕 1 mmc at 12 weeks and 1 mc at 5 weeks 🌈 my angel babies ✨
So lately I have noticed just climbing stairs leaves we short of breath and silly little things - does any one else have this ? Or been through it ?