Severe back pain after lap

*Dimple* • TTC #1 for 4.5 years. Diagnosed with endometriosis 12/28/15. Conceived naturally October 2017
Today I am feeling sever back pain after my lap. I was ine yesterday only my belly hurt but today my belly isn't hurting as much but my back is killing
meeeee! I finally pooooed today as well. I am two days post op! Any ladies have back pain after their lap?