Girlfriend wets the bed?

So, recently my girlfriend has been wetting the bed - which I also sleep in with her.
It happened again just last night and a few times this week.
The bedroom gets really damp and smelly because of it and the bedsheets also.
I wake up to the wet part just near my side of the bed.

I've tried talking to her about but she's really embarrassed and feels ashamed - I've tied reassure her that it's okay but it's not working.

Girlfriend wets the bed. Should I be worried? By the way my girlfriend is 22.

Girlfriend wets the bed?
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