First period, PE trouble!! xx?

I started my first period on friday, and todays sunday (so 3 days later) on friday i managed 2 skip pe cuz i pretended to have 4got my pe kit!! as my period started ova night. Eny ways i have been wearing pads and monday is pe free but on tuesday we have pe, i wear joggers, but all my pads havv wings as thats the way i like it!! so is there any way of hiding that i have a pad on, cuzz i dont want any1 2 know that i have started my period!! I could wear a skirt but i only have a tight mini black one that i wear on a regular basis and that is so toght u probz cud c the pad. I can't miss pe, but i need help. My period currently is quite heavy but its getting lighter my mom says thats normal, what do i do? ?any sugestions!! any answers will be appreciated!! thanks xxx