I almost feel stupid for not remembering some stuff from my first pregnancy, although my first born is 5 years old now..…

I almost feel stupid for not remembering some stuff from my first pregnancy, although my first born is 5 years old now.. but some things i totally forget! Like privite bones are starting to get sore, and i remember if its because my bones are preparing for birth or if i should be worried.... could anyone help me out with this?