transition to bottle

[plisplas]

My 9 mo DS won't take the bottle. I am going back to work next month. Any advice, please?

try a lidded cup instead?

You've probably tried all these, but just in case:
Experiment with different teats.
Try a cup (doidy cups are supposed to be good) rather than a bottle
Try every day, but only when baby is in a good mood
Get someone other than you to try
And good luck