11p15 DNA-methylation analysis in monozygotic twins with discordant intrauterine development due to severe twin-to-twin transfusion syndrome

Table 1 Auxological parameters at birth and at age 4 years according to the former twin-to-twin transfusion syndrome status

	Recipient	Donor	P
Gestational age at laser treatment (weeks)	20.96 ± 2.27
Gestational age at birth (weeks)	34.54 ± 2.16
Birth weight (g)	2,141 ± 428	1,780 ± 522	<0.001
Birth weight SDS	-0.62 ± 0.80	-1.51 ± 0.91	<0.001
Birth length (cm)	45.42 ± 3.08	42.63 ± 4.28	<0.001
Birth length SDS	-0.48 ± 1.11	-1.47 ± 1.27	<0.001
Age at follow-up	4.41 ± 0.59
Height SDS 4 years	-0.39 ± 0.86	-1.01 ± 1.10	<0.001
Weight SDS 4 years	-0.14 ± 0.67	-0.97 ± 0.83	<0.001
BMI SDS 4 years	-0.11 ± 0.81	-0.74 ± 0.71	0.001
IGF-II in cord blood (ng/ml)	322.69 ± 57.92	322.81 ± 44.97	0.995
IGF-II at age 4 years (ng/ml)	533.10 ± 95.82	539.95 ± 98.69	0.825

Data are given as mean ± SD. BMI, body mass index; IGF, insulin-like growth factor; SDS, standard deviation score.

ISSN: 1868-7083