Popping noise when breathing

[Cherry85]

Random question - is it normal to have a popping noise when you breathe in? 33 weeks pregnant and getting a two 'pops' everytime I inhale.

The first sounds like it is just under the ribcage probably directly below the nipple, second is lower and further round to the side. Both on my left side.

Any ideas?

I used to get this a bit but it stopped. I guess she was grieving upwards and my rib cage was opening out? But that was when i was 20 weeks.