Thin endometrium is associated with the risk of hypertensive disorders of pregnancy in fresh IVF/ICSI embryo transfer cycles: a retrospective cohort study of 9,266 singleton births

Table 2 Obstetric complications for women with singleton live births according to endometrial thickness

Outcomes	EMT ≤ 8 mm	8 < EMT ≤ 12 mm	EMT > 12 mm	P value
	(n = 544)	(n = 6234)	(n = 2488)
HDP, n (%) ^ab	37 (6.8)	224 (3.6)	88 (3.5)	0.001^c
GDM, n (%)	52 (9.6)	469 (7.5)	187 (7.5)	0.224 ^c
Placental abruption, n (%)	4 (0.7)	15 (0.2)	11 (0.4)	0.054 ^d
Placenta previa, n (%)	10 (1.8)	81 (1.3)	43 (1.7)	0.232 ^c
PPH, n (%)	2 (0.4)	19 (0.3)	7 (0.3)	0.894 ^d
Cesarean section, n (%)	346 (63.6)	3862 (62.0)	1526 (61.3)	0.604 ^d

HDP hypertensive disorders of pregnancy; HDP include gestational hypertension, preeclampsia, and eclampsia, GDM gestational diabetes mellitus, PPH postpartum hemorrhage
^aStatistically significant differences between EMT ≤8 mm and 8 mm < EMT ≤12 mm groups
^bStatistically significant differences between EMT ≤8 mm and EMT > 12 mm groups
^cPearson chi-square test
^dFisher’s exact test

ISSN: 1477-7827