My 8 day old daughter does not wind hardly ever brings up any burps and she hasn’t pooed for two…

My 8 day old daughter does not wind hardly ever brings up any burps and she hasn’t pooed for two days she seems a bit uncomfortable but not screaming in pain let’s out a few cries here at there she has hiccups after a feed a lot sometimes up to 6 times a day, have tried invacol don’t seem to be doing anything does any one else’s new born do this ?