Breastfed poop

Tori • Mommy to👶🏻❤ baby girl 03/30/2018, baby girl 12/31/2019

My 4 day old has started to get mustard yellow poop that is a bit seedy. Today she has pooped SO MUCH. Like 5 time already and its runny. Should I be concerned ??

Like I'm happy she is going because she has some mild jaundice but I'm worried it's too much