No more check up

Queen girl

So I went to my 36 weeks prenatal care and did some test and so forth but after I was waiting on my appointment they told me that my next visit won’t be until I am 40+1. I thought after 36 weeks u get check up every week after until you give birth? Is this normal or do I go to another doctor for the rest of my prenatal care. I’m also high risk due to the fact that I have Graves’ disease, my only actual check up every week would be my NST appointment, is this ok?