brand new to breast feeding

Kendra
Hi ladies! 
I just had my little girl on the 7th of this month (March) and I am really stressing out about not producing enough milk for her. We had her doctors appointment yesterday and she has last 14 oz. from her birth weight. I know it's normal for babies to lose weight but that is a bit much. 
We feed every 2 hours and I watch and listen for the signs that she is getting milk ( gulping noises and her throats moving as well as if I can see the milk around her mouth after we are done) but sometimes I feel like she is just suckling for comfort and not actually eating. 
Today I've pumped in between feedings to try and get my milk supply up but I haven't even pumped a whole ounce yet and I've been doing this since 10 am. 
What can I do to increase my milk supply and make sure she is getting enough to eat.
She's only had 2 wet diapers today and no dirty diapers. 

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