The best way to check now if you want is to check the IRS site for Where's My Refund?, of course if you have a refund on federal. For your state you can use the link below to access your state's Department of Revenue.
If a return is rejected, normally you would know by now.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"