Kass, it's VERY normal that Bella isn't sleeping through yet. She's her own little person with her own sleep patterns - don't worry too much about what other people say she 'should' be doing - they don't have experience with her, only with their own children, and all children are different.

My son started sleeping through the night at 12 weeks, then at 6 months stopped (it coincided with teething too). He's now up 2-3 times a night for a cuddle and/or a nappy change. I kinda like it actually - it's nice getting a snuggly cuddle in the middle of the night. I like cuddling DH all through the night and DS just wants a cuddle too!