7. History or presence of allergy to oral contraceptives, atazanavir and cobicistat or excipients (sodium methyl parahydroxybenzoate, lactulose, Hypromellose Colloidal silicon dioxide, Silicified microcrystalline cellulose Crospovidone, Magnesium stearate, Polyvinyl alcohol- partially hydrolysed, Macrogol 3350,Titanium dioxide, Talc, Iron oxide red, Iron oxide black, Lactose monohydrate, Magnesium stearate, Gelatine Yellow iron oxide, Indigocarmin (E132), White ink, Shellac,Titanium dioxide (E171), Ammonium hydroxide, Propylene glycol , Simethicone, Hypromellose, Polyvinyl alcohol- partially hydrolysed, Macrogol 3350)