Hi good to hear things are going well :)
BTTM Birth To Three Matters resources can be viewed on this page.
Dpending on the home nation that you're applying for the job in, the position, level of responsibility & the age of the children/young people you'll be caring for, will influence the framework you'll be expected to work with and know -
UK home nation frameworks
Worry over interview questions is normal, second guessing what you'll be asked is a stressful activty :) xx this thread has a few links that might help
http://www.silkysteps.com/forum/showthread.php?t=3612
Best wishes with everything