Quoting Liam's Mama:" If it isn't too warm in your house I'd say use them."
Quoting [Shelly] Dexter's Mummy!:" i would say no. BUT while i was pregnant my MIL cooked and served us a WHOLE chicken that she'd left ... [snip!] ... that it was left out untill after we ate it. Sm**rfing grose.... but saying that it didn't taste bad and none of us got ill....."
Quoting susanesque:" Eew, I'd have been pissed. Was it cold in her house or something? Maybe it defrosted really slow..."