Exclusive pumping tips?

I’m 6 weeks postpartum and wondering if anyone knows much about EPing? My son has a tongue and lip tie so I’ve been EPing for a month now.

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How much should I be making?

(baby eats 3-4 ounces every hour!!

He Won’t take a paci)

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How do I increase supply?

(I’m only making 2 ounces a session..

one ounce a breast)

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This is baby #2 and I’m only 18, my oldest is almost 3 and I only breastfed for 8 weeks due to a tongue tie I really want this to work. I’m currently using a spectra s1. Any tips on keeping up with my baby are highly highly appreciated.