is it bad to over fill the breastmilk storage bags?

I use the lansinoh bags that say 6oz but I typically fill it to 7-7.5 only when I have a small amount of milk left and I don't want to start another bag. Is that bad? I freeze them for later use... Thanks :) 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors