Still waiting

My taxes were accepted on Jan 27th by the IRS, I did claim my two daughters so I knew refund would take a bit longer. I am still waiting for my taxes as of today. I received my state about two weeks ago but when I track my federal it just says it's still being processed. I have not recieved any information in the mail about my return needing a longer review, I set up an account hoping to maybe see a message telling me my taxes are under review or what exactly is going on with them. I can't reach anyone from the IRS the system just keeps taking me back to the start to check filing status. Are other people dealing with these issues or is it me. Any advice