Current items are (left to right, top to bottom):
Bank Card (Lets you know how many funds you have, used to buy items)
Condoms (Lets you have sex with characters until you unlock the bareback skill)
[No Icon Yet] Placebo Birth Control Pills (lets you swap out someone's BC to make them fertile)
Pregnancy Test (lets you 'confront' someone to confirm they are pregnant, will break their will and unlock some additional options)
[No Icon] Not sure what's going here
Secret Item (The icon swaps once you unlock it - it's as secret!)