6 day old baby first time mom

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My baby loves to be swaddles so we have primarily been swaddling her and hardly make her wear any clothes, is this okay?

Also, I don’t think I am producing enough breast milk. I am day 6. How can one be sure? In one pumping session for 15 mins, I get only 15 ml. How do I know my milk has come in?

This first week is so much more exhausting than I thought.

Thanks for reading and responding!