The use of which of the following contraceptive options is least appropriate for a 48-year-old woman with recent diagnosis of type 2 diabetes mellitus and who smokes 1 PPD?
a) Depot medroxyprogesterone acetate (DMPA)
b) Progestin-only implant
c) Copper-containing intrauterine device
d) Levonorgestrel intrauterine system (LNG-IUS)