M.F.
Get her to connect with a local mothers of multiples club. Not only will those moms point her in the right direction for resources, but they can offer all kinds of support/info/encouragement. http://www.nomotc.org/
Formula and diaper companies have their own special things for mothers of multiples, but that would likely be something to look into once they're born. She'd need to contact the companies directly or visit their websites to see what they offer.