Emmy i started a couple of years ago by getting a book (aimed at young girls) about the whole shebang. We've also had conversations in the pad/tampon aisle at the supermarket. I started her using deodorant last summer, but TBH it's taken this long for her to understand it's something she needs to do every single time after a shower - I encourage her to use a roll-on BUT I've also let her choose some spray smellies at the supermarket too. I think the penny's finally dropped when she's realised how smelly some of her classmates can be.

Re periods - planning to take her shopping over the school holidays - she can choose her own purse and we'll stock it with pads and a spare pair of undies so she can take it to school with her. They've already talked about it at school and she knows if she gets caught unawares that Mrs H in the office will help & she can ring me up, etc.

Re bras - well this one has already come up - DD is still completely flat chested but I've introduced the idea of wearing the little strappy crop tops under some clothes/tshirts when needed to make sure her nipples aren't showing thru. They have a great range of comfy stretchy ones in funky colours, I'm guessing it'll be a natural progression once she's got enough breast tissue to need one most days.