Not having a date yet

Arlene • Im 38
So my question is my due date is July 26 and i was told i would have her at 37 or 38 weeks. I will be 35 weeks on Wednesday and i still dont date when im going to have her. And im still not registered at the hospital and still dont have my husband paper work done so he can get time off work. What would u all so any help would be great. Im also a first time mom