Milk supply is drying up and period systems

Ujena • Just got married August. Expecting our first baby coming July 2015<3
I don't know what to believe. I breast feed my son and bottle feed. Now I have seen that my breast don't hurt anymore and I don't need to pump at work the last week. Is it normal should I continue to have baby latch on. Or is my supply gone? First time mommy I need help.
I never really produce much milk but it was good that my baby latched and had about 3 oz for him when I pumped I rather give him some then none at all.