Baby not pooping ...

Ne

My 2 month old baby girl hasn’t pooped in a couple of days ( her doctors appointment is Friday so I’m trying to hold off until then ) now they say it’s normal for breastfed babies to go days without pooping but I see her struggling wanting to do so she cries and it breaks my heart... what can I do? Anything I can do to help her? I already did the bicycle motion. I’m a FTM.