Table 1. Study and participant numbers.

Study type	Glyburide versus insulin	Metformin versus insulin	Metformin versus glyburide
All included studies	8 studies (n = 1,722)	22 studies (n = 2,801)	3 studies (n = 421)
Fetal growth	0 studies (n = 0)	0 studies (n = 0)	0 studies (n = 0)
Birth weight	7 studies (n = 1,651)	11 studies (n = 1,820)	3 studies (n = 421)
Neonatal anthropometry	8 studies (n = 1,722)	12 studies (n = 2,590)	3 studies (n = 421)
Infant/child growth	0 studies (n = 0)	Up to 3 studies (n = 986)	0 studies (n = 0)