Why do I feel like this ? Normal ?

Bri

I'm 19 weeks & 2 days , & today Has been feeling like I just want to lay and not do anything . but I Cooked in the AM feeling so Tired & after chilled and than Went to dollar tree and Family dollar & 2 other stores and after came home & cooked and Tbh my back is literally killing me And I feel so tired like I don't want to move but just lay here .

This is my 3rd child , and I know I am growing a human inside of me but Ladies why do I feel like shit ? Ive never felt so Eh from my other two kids , what can I do 😭 the lower back pain is so real .