What Causes Weakness And Tingling In The Arms After Delivery?

dear doc

i am 32, 5 feet 4 iches and weight 165 pounds . i had a baby boy weighting 9 lbs 11 weeks ago the deliveries was ok but after i was so weak , i am still recovering for it . my query is that when i stool i am feeling a tingling in my arms and it makes me feel weak , I am also have panic attacks , what can i do to help my self
thanks