From: Endometrial compaction after human chorionic gonadotrophin administration reduces ectopic pregnancy rate following fresh embryo transfer in vitro fertilization/intracytoplasmic sperm injection cycles in patients with non-thin endometrium: a retrospective cohort study
Group
ectopic pregnancy
N
OR
95%CI
P value
Endometrial thickness on the day of ET
EN < 8 mm
127
1.02
(0.18, 5.88)
0.9790
EN ≥ 8 mm
3007
0.49
(0.31, 0.79)
0.0036