Skip to main content

Table 2 Treatment characteristics in fresh ET and FET groups

From: Fertility outcomes in women after controlled ovarian stimulation with gonadotropin releasing hormone agonist long protocol: fresh versus frozen embryo transfer

Parameters Fresh ET (n = 5216) FET (n = 2598) P
Ovarian stimulation (days) 10.90 ± 1.30 10.85 ± 1.28 0.180
Gonadotropin dose (IU) 2274.50 ± 740.08 1938.81 ± 652.88 < 0.001
Estradiol level on hCG trigger day (pg/ml) 3235.65 ± 1196.11 4480.45 ± 789.60 < 0.001
No. of oocytes retrieved 10.49 ± 3.77 17.97 ± 5.47 < 0.001
Insemination method    < 0.001
 IVF, n (%) 4376 (83.9) 2095 (80.6)  
 ICSI, n (%) 840 (16.1) 503 (19.4)  
No. of available embryos 4.00 ± 2.03 5.44 ± 2.69 < 0.001
  1. Note: Presented as mean SD for continuous variables. ICSI intracytoplasmic sperm injection; IVF in vitro fertilization; FET frozen embryo transfer; fresh ET fresh embryo transfer