Pregnancy and neonatal outcomes of monozygotic twins resulting from assisted reproductive technology: a 10-year retrospective study

Table 3 Neonatal outcomes of MZT by different types of ART

Neonatal outcomes	IVF, n = 43	ICSI, n = 31	PGT, n = 51	TESA, n = 12	χ2/R²	P value
Live birth babies	72	57	86	19	-	-
Birth weight(g)*	2329(638.3)	2290(469.9)	2419(518.7)	2593(584.1)	0.02	0.151
Low weight babies	41/72(56.9%)	36/57(63.2%)	50/86(58.1%)	6/19(31.6%)	5.93	0.115
Congenital malformations ^#					IVF/ICSI P value	IVF/PGT P value	IVF/TESA P value	ICSI/PGT P value	ICSI/TESA P value	PGT/TESA P value
Cleft palate	0/72(0%)	2/57(3.5%)	0/86(0%)	0/19(0%)	0.193	> 0.999	> 0.999	0.157	> 0.999	> 0.999
Congenital heart disease	1/72(1.4%)	0/57(0%)	1/86(1.2%)	1/19(5.3%)	> 0.999	> 0.999	0.376	> 0.999	0.250	0.331
Limb malformations	0/72(0%)	0/57(0%)	1/86(1.2%)	0/19(0%)	> 0.999	> 0.999	> 0.999	> 0.999	> 0.999	> 0.999
Chromosomal abnormalities	0/72(0%)	1/57(1.8%)	0/86(0%)	0/19(0%)	0.442	> 0.999	> 0.999	0.399	> 0.999	> 0.999

Data presented as n (%), data* presented as the mean (SD). Data^# analyzed using the Fisher’s exact test and the Bonferroni correction

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