I love my daughter I especially love when she decides she wants to be held and be snuggly which only…

I love my daughter I especially love when she decides she wants to be held and be snuggly which only happens once in a blue moon most of the time she's a independent baby but I'm starting to struggle lifiting her and holding her because it hurts my back and my stomach. I take it easy when my fiance is home but when he's at work and its just me and her I have no choice but to pick her up over the gate or to go to put her in her bed and its just becoming very difficult to move . I feel so bad because she doesn't know what's going on :(