Just remember you are bigger than the child so until they grow past you, you have the upper hand. Babies just want to be held.
They need to feel secure and safe. I have an aunty that coulndt have children but she was a midwife and bought hundreds of babies into the world. without midwives. Many women would find it hard to have children without a good midwife.
I think the labour part of childbirth is quickly forgotten. But not all women are physically cut out for childbearing and it does depend on each child its in no way guaranteed that every birth is going to reach full term even in this day and age. many women do not mention miscarriage or stillbrith as its not really talked about, but its till, something many women go through and there is always risks. so if you are going to have children prepare as much as you can but each birth is a miracle in itself.
some women do all the right things, and still it goes wrong and the baby dies, while others do everything wrong and the baby lives. so you cant always control these things. you could pay thousands of dollars for IVF treatements and never have success, and then one day you fall pregnant without it. happens all the time.