Table 4. Indications for cesarean delivery by type of inflammatory bowel disease.

	Crohn's Disease	Ulcerative Colitis
Planned	n=8	n=21
History of IBD	5 (62.5)	6 (28.6)
IBD flare	1 (12.5)	0 (0.0)
IPAA	0 (0.0)	5 (23.8)
Previous abdominal surgery	0 (0.0)	1 (4.8)
Acute non-IBD medical comorbidity	1 (12.5)	1 (4.8)
Non-vertex presentation	0 (0.0)	5 (23.8)
Anatomic abnormality	1 (12.5)	1 (4.8)
Elective	0 (0.0)	2 (9.5)
Unplanned	n=16	n=20
Arrest of descent/dilation	7 (43.8)	9 (45.0)
Non-reassuring FHT	5 (31.3)	10 (50.0)
Non-vertex presentation	1 (6.3)	1 (5.0)
Anatomic abnormality	2 (12.5)	0 (0.0)
IBD flare	1 (6.3)	0 (0.0)