7 1/2 hours?!

La

My little one is one month and she just slept for 7 1/2 hours. And I had to wake her up even because I was so engorged it woke me up.

We see the pediatrician on Monday for her one month check up, but should I be concerned that she slept that long without waking up?? Longest sleep stretch she usually has is only 4 hours....