I think im drying up

My baby was born January 14 2017 was getting all breastmilk till this week i was pumping 30ozs or so a day now i cant even get pas 16ozs i don't know what happened i haven't done anything different ive been taking fenugreek drinking mothers milk tea im drinking plenty of water and pumping every 2 hours for 3days and haven't seen a difference don't know what else to do is this it has our bf journey come to an end