Fastenings: Plain flat half-inch buttons are best to use for fastening. Avoid nylon and metal fastenings, as they get very hot under the incubator heaters. Do not use Velcro as a fastening, it is very scratchy on the hook side and also damages knitted garments when they are laundered. Ease of dressing is vital for preemies and as a general rule it is best not to use ribbon as a fastening as ribbon can often be fussy to tie on a garment so small.
Colours: Pastel colours are the most popular. Apart from baby pinks and blues other colours, which may be chosen, are: Lemon, Cream, White, Mint Green, Peach, Lilac and Aqua. It is accepted that bright and dark colours should be avoided as they often make premature babies look frailer. When knitting burial garments the advice suggests its best to use colours such as white or cream and to avoid pinks, blues and lilacs, as they are not appropriate for the colouring of a stillborn baby.
Early Angels: This is a site based in the U.K set up to help people to knit, crochet or sew clothes, blankets and other keepsakes for premature, low birth weight and sadly stillborn babies. They have a wide range of free knitting, crochet and sewing patterns accessible on their pattern page.
The charities have a lot of information on their websites, below is some general advice to help you get those needles clicking.
Confetti Yarn: This yarn is very lightweight and soft as soft can be. It usually comes in pretty pastel colors, just perfect for knitting for baby. You can use this yarn with another, or on its own. I used confetti yarn when knitting a blanket for my granddaughter Julia. I alternated rows of confetti with rows of another soft pastel baby yarn. The results are wonderful.