Who to Invite

My husband and I are expecting our first baby in August. We are both pretty reserved and private people when it comes to our personal lives. Our primary decision was that it would be only me and him in the delivery room; it would be more private and would allow us to have the experience of welcoming our baby girl into the world with just the two of us. Now, however, I am debating on whether or not to invite my mom in. This will be her first grandchild, and I know that she would love to be there, plus I am thinking the extra body might be nice for additional help if it’s needed. But then, I don’t want my husband’s mom to feel left out. What experiences did other moms have with only having one person vs two or three with you during delivery, and what would you do differently in that regard? Thanks in advance!