¡iitlledle™ wha §o r enstr a ye has Šo r ain stages that repeat over and overš µ st t’ a period a about i„e a ire. A reg ar ye ha°ens on average every 21š¦© days b t soe girs have shorter yes and soe girs have onger ones« A ye an aso vary. So don’t wo—y iŠ yo r period oes aŠter 2™ days one onth and aŠter ¾ days the ne•t onth. 1‰metrutio 2‰Œ†lliulr‹e ’his is the part oŠ yo r §o r terine ining begins to ye where yo r ter s 4 5 6 7 b id ba„ p and yo r ovaries sheds its iningšaso 3 8 9 get ready Šor soething 2 a ed “ov ation.” a ed yo r period« 1 1€ 28 St eof 11 27 metrul 12 6 13 2 25 le 14 4 15 2 23 716 22 21 8 1 2€ 9 1 1 3‰†Žultio 4‰Lutel‹e ’he tie betw”n ov ation and the §o r ovaries reease an e´« Širst day oŠ yo r period. Žt’s sort oŠ i„e yo r ter s’ rest period. Wait....an EGG? SPERM What are Eggs and Sperm?? §o won’t be abe to s” it b t inside yo r growing body yo have “e´s” that are deveoping. And inside a boy’s body there is soething a ed “sper” that are deveoping. ˜ne day when yo EGG are h oder these e´s and sper together are what hep to a„e a baby. 27
A Girl's Guide to Puberty and Periods Page 26 Page 28