The impact of first-trimester subchorionic hematomas on pregnancy outcomes after euploid embryo transfer: a retrospective cohort study

Table 3 Pregnancy outcomes as well as the maternal complications for groups with and without SCH

Variable	SCH (n = 298)	Non-SCH (n = 1241)	P-value
Miscarriage rate	42 (14.1)	105 (8.5)	0.003
Early miscarriage rate	30 (10.1)	69 (5.6)	0.004
Late miscarriage rate	12 (4.0)	36 (2.9)	0.315
Live birth rate	255 (85.6)	1132 (91.2)	0.003
Preterm delivery rate	18 (6.0)	81 (6.5)	0.758
Normal birth weight rate	223 (87.5)	977 (86.6)	0.721
Low birth weight rate	10 (3.9)	45 (4.0)	0.960
Major congenital abnormalities rate	7 (2.7)	49 (4.3)	0.246
HDP	23 (8.9)	59 (5.2)	0.022
Eclampsia and preeclampsia	3 (1.2)	13 (1.1)	0.979
GDM	39 (15.1)	148 (13.0)	0.372

Data are presented as mean ± standard deviation or median (interquartile range) or n (%) unless otherwise specified. GDM, gestational diabetes mellitus; HDP, hypertension disorders of pregnancy

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