in ▁delivery ▁or ▁car bo h yd rate ▁int ake ▁depending ▁on ▁the ▁read ings ▁from ▁the ▁devices . ▁While ▁the ▁traditional ▁blood ▁gl uc ose ▁meters ▁require ▁the ▁user ▁to ▁pr ick ▁their ▁finger ▁every ▁few ▁hours ▁to ▁obtain ▁data , ▁continuous ▁mon itors ▁use ▁sens ors ▁placed ▁just ▁under ▁the ▁skin ▁on ▁the ▁arm ▁or ▁ab d omen ▁to ▁deliver ▁blood ▁sugar ▁level ▁data ▁to ▁rece ivers ▁or ▁smart phone ▁apps ▁as ▁often ▁as ▁every ▁few ▁minutes . ▁The ▁sens ors ▁can ▁be ▁used ▁for ▁up ▁to ▁four teen ▁days . ▁ ▁A ▁number ▁of ▁different ▁continuous ▁mon itors ▁are ▁currently ▁approved ▁by ▁the ▁F DA . ▁ ▁The ▁first ▁continuous ▁gl uc ose ▁monitor ▁( CG M ) ▁was ▁approved ▁in ▁December ▁ 2 0 1 6 . ▁Develop ed ▁by ▁D ex com , ▁the ▁G 5 ▁Mobile ▁Cont inu ous ▁Mon itor ing ▁System ▁requires ▁users ▁to ▁pr ick ▁their ▁fingers ▁twice ▁a ▁day ▁( as ▁opposed ▁to ▁the ▁typical ▁average ▁ 8 ▁times ▁daily ▁with ▁the ▁traditional ▁meters ) ▁in ▁order ▁to ▁cal ibr ate ▁the ▁sens ors . ▁The ▁sens ors ▁last ▁up ▁to ▁seven ▁days . ▁The ▁device ▁uses ▁Bl uetooth ▁technology ▁to ▁warn ▁the ▁user ▁either ▁through ▁a ▁hand h eld ▁receiver ▁or ▁app ▁on ▁a ▁smart phone ▁if ▁blood ▁gl uc ose ▁levels ▁reach ▁below ▁a ▁certain ▁point . ▁The ▁cost ▁for ▁this ▁device ▁ex cluding ▁any ▁co - ins urance ▁is ▁an ▁estimated ▁$ 4 , 8 0 0 ▁a ▁year .