My birth was just my mom, it was the 50's, and she was in what they called a twilight sleep. My dad was kicked out of the hospital by my grandparents and it was hours before he knew I was born.
DS - just my DH and I wouldn't have survived without him. My DS got stuck.
DD1 - DH was with me until they raced me down the hall for an emergency C-section
DD2 - she was a planned C-section. I was unconscious but DH was there and held her before me. It was one of the best experiences of his life. He stood on the same side as the Dr and loved watching it.
I have 6 grandkids
DGS1 - I raced home from VA to get to the hospital minutes before he waas born but wasn't in the room
DGS2 - he was premature and I got pictures of him seconds after he was born. DDIL had no connection with her family. It was the first birth I ever got to see
DGD1 - I was in there with my DD and her SO, it was an amazing experience and my DGD was the image of her mother, she still is
DGS3 - My DD let me in with her again they were in a car accident and she was really nervous
DGS4 - I went to the hospital to say Hi and head to the cafeteria. The midwife made me and the other grandmom the stirrups.

DD didn't care that I saw it but was a little freaked out by her MIL being there. It turned out to be a good thing since DGS didn't breathe right away and DD was terrified
DGD2 - My DD wanted her and her SO only. It was fine with me I watched the other 2 kids and took them to the hospital to see their new sister after she was born.
I missed out on my kids but have always thought seeing 4 of my grandkids enter the world to be a privilege.