I'm getting on the iud birth control but I've never had a baby

Cristabell
So I went to the doctors today to get on some type of birth control and I wanted to get on the 5 or 10 year iud buuuut now I'm not sure cause I've never had a child and I'm afraid it'll hurt a lot so has there been any women with the iud and has never had any child? And if so did it hurt a lot??  
Thank you ladies for taking the time to read my post!!