If you want to deliver BB in public hospital, you have to make appointment before. But I think, for your case, you better ask advise from public hospital that what you could do..
My big daughter (Tavy) : 2003-09-24 (3.14 kg)
My second son (Nok Nok) : 2007-07-25 (3.56 kg)
My third son (Yu Yu) : 2008-08-21 (3.46 kg)