6 week old doesn’t nurse for long

S

Lately when I nurse my LO she doesn’t nurse for long. She will drink one side for maybe 10 mins, I then try to burp her and give her the other breast but she’s done and won’t take it. So she seems content. She has a lot of wet diapers throughout the day.

Literally an hour or 90 min later she’s hungry again. She cries and is fussy until she starts feeding. If she had just had enough the first time this wouldn’t be the case. This has been going on for the past couple of days.

Last night I pumped and gave a bottle and she finished 3 oz so she drinks fine with the bottle, it’s just when she nurses.

What do I do?