Restless sleep& other symptoms

Idk what to think for about a wk now I cant sleep im constantly tossing and turning .if I lay on my stomache it hurts. Been having frequent urination back aches,bloating ,pains in my ovaries. Dreams of pregnancy. .fatigue off n on nausea. I missed December period started on jan 2 only lasted 4 days?? I had a miscarriage in june with my second pregnancy/baby & had a D&C.... I have a 3 yr old son. Im currently ttc again!!! :) how soon can you get pregnant again since ive heard you can get preggo asap after having a d&c because your really cleaned out? PLZ INPUT THANK YOU..... OH AND I ALSO HAVE THE LINEA NEGRA ON MY STOMACHE.