Things that helped my dd.
Heat packs for pain relief
Nurofen works better than panadol.
Explain the benefits of having a period.
Order samples from the net so that she can try different brands, shapes and sizes. My dd never liked what i liked.
Talk to here about using fold TP if out and doesn't have anything on hand.
Buy a nice change purse, put a pad, spare knicker etc... to keep in her school port