Table 7. Comparison of MCDA twin–specific complications between MCDA twin pregnancies conceived spontaneously and by ART.

	ART–Conceived MCDA twins (n = 29)	Spontaneous MCDA twins (n = 427)	P value
Twin–twin transfusion syndrome–n (%)	3 (10)	88 (21)	0.19
Twin anemia–polycythemia sequence–n (%)	0	4 (1)	0.78
Twin reversed arterial perfused sequence–n (%)	0	1 (0)	0.34
Selective intrauterine growth restriction of type II or III–n (%)	4 (14)	75 (18)	0.60

ART: assisted reproductive technology.