This dress is made sideways working always on back loops. The chest is made in single crochet (sc) and the skirt in double crochet (dc) separated by 1 half-double crochet (hdc). Makes size up to 6 months but can easily be customized.

Update: Thanks to Debby (gindaisy) who did the translation, this pattern is now also available in German! You can download the German version here:
https://theknittingscientist.files.wordpress.com/2016/01/...