Ok, probably obvious to most but my Mum wasn't around while I was growing up so my Dad (a Biology teacher) dealt with my puberty in a very matter of fact, biological way. I have noticed that my daughter's nipples are changing AT THE AGE OF 9!!!! which I am not ready for- emotionally- never mind her... Any advice on right time for training bras/ talking about sanitary towels etc. very welcome please? Btw, we are very open about facts of life etc but I don't want to terrify her.