<s>[INST] Hi I carried my 2 year daughter and she's pretty heavy to me. She weighs 26lbs and she's pretty solid. when I picked her up my lower stomach started hurting real bad. Felt like harsh cramping I could hardly walk nor sit comfortably. After awhile pain went away but comes back off and on and at times when my bladder gets really full. What can it be??? [/INST] Hi.Thanks for your query.Lifting and carrying a heavy baby of 26 lbs can cause the lower abdominal muscles to go into spam, sprain and strain. This is the reason when your bladder is full there is pressure from within onto the muscles that cause pain in you. Yet, to confirm that there is no other problem like Hernia or any pelvic pathology I would advise you to consult a General Surgeon for clinical evaluation, physical examination, ultrasonography and necessary tests, and also to get a proper prescription for anti-inflammatory and necessary medicines. </s>