I am a step mom married to the custodial parent of my step son with mom as the non custodial parent. Father has all decision making rights. My question is, am I allowed to attend (along with child's bio parents) a medical appt regarding ADHD for my step son? My thinking is, because I am married to the custodial parent and if he says I can, then maybe I should be able to. I will not be making any decisions during said appt, just there to listen and answer any questions from the doctor. Note: my husband shares time with mom, I am a stay at home mom and I am with said child more than father due to his job hours. I am here to put child on the bus and am with him when he returns. So I am just much of a parent to him as I am to my other two children.