Just need support

Hi, I'm 12 weeks pregnant today with my second child. My first just turned one year this month. I had postpartum with that one and now find my depression getting worse while I'm pregnant. I'm always tired I feel fine in the morning but as the day passes I get less and less involved with my childs play time. I feel like a horrible mother and I feel like I just am doing all the wrong things. I was coping with depression really well but it has gotten pretty bad over the past week. I guess my problems woth family tie into that. I'm always tired and feel sick so that makes me feel more frustrated and sad. Bc I was to be able to play with my 1 year old. I have called my obgyn and have requested to see if I can restart my medication bc I'm to the point I can barely handle it.. I have tried talking with family but it doesn't seem to help. Makes me feel like I'm causing problems.