Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Gynecol Obstet and Elmer Press Inc
Journal website https://jcgo.elmerpub.com

Original Article

Volume 15, Number 1, March 2026, pages 30-37

Association Between Post-Trigger Hormones and In Vitro Fertilization Cycle Outcomes

Figures

Figure 1.
Figure 1. Frequency of recovery rate ≤ 50% associated with post-trigger progesterone levels. Q1: quartile 1; Q2: quartile 2; Q3: quartile 3; Q4: quartile 4; P4: progesterone.
Figure 2.
Figure 2. Forest plot depicting the odds ratio for IVF outcomes by post-trigger hormone parameters. IVF: in vitro fertilization; E2: estradiol; P4: progesterone.

Tables

Table 1. Patient Demographics and Cycle Outcomes
 
All cycles (n = 320)
BMI: body mass index; SD: standard deviation.
Age (years)
  Range25–48
  Mean (SD)37.6 (4.1)
BMI
  Range17.54–70.52
  Mean (SD)27.7 (8.1)
Race/ethnicity, n (%)
  African American15 (4.7)
  Asian39 (12.2)
  Caucasian95 (29.7)
  Hispanic34 (10.6)
  Unknown137 (42.8)
Number of oocytes retrieved
  Range1–47
  Mean (SD)11.0 (7.5)
Oocyte recovery rate (proportion)
  Range0.23–2
  Mean (SD)0.9 (0.3)
Number of mature oocytes
  Range0–30
  Mean (SD)7.2 (5.1)
Oocyte maturity rate (proportion)
  Range0–1
  Mean (SD)0.7 (0.2)
Number of fertilized oocytes
  Range0–25
  Mean (SD)6.2 (4.4)
  Median (Q1, Q3)6 (3, 8)
Oocyte fertilization rate (proportion)
  Range0–1
  Mean (SD)0.9 (0.1)
Number of blastocysts
  Range0–16
  Mean (SD)2.9 (3.0)
Blastulation rate (proportion)
  Range0–1
  Mean (SD)0.5 (0.3)

 

Table 2. Frequency of Poor IVF Outcomes
 
All cycles (n = 320)
aN = 223. IVF: in vitro fertilization.
Oocyte recovery rate ≤ 50%, n (%)
  No282 (88.1)
  Yes38 (11.9)
Oocyte maturity rate ≤ 40%, n (%)
  No295 (92.2)
  Yes25 (7.8)
Fertilization rate ≤ 75%, n (%)
  No262 (81.9)
  Yes55 (17.2)
  Not applicable3 (0.9)
Blastulation rate ≤ 20% (4+ fertilized), n (%)a
  No172 (77.1)
  Yes51 (22.9)