Talk to Gynecologist on Periodz Cycle

Ma ya pochna chahti k meri sister ko kafi arsa sa periodz hamesha late hotay ha..almost after 40 to 45 days kbhi is say b late..meicines b khaeyn bs jb tak khaty rho theek rehti phr dobara wessay he..is ko regular krnay ka koe tariqa bata dein.us ki kidny ma stone b ha aur stomach b upset rehta kafii pain hoti..kia ya sab problems connected hain..aur wo jab subh time uthti so kr to swelling b ho jati face pay hathon paoun pay..??