Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access
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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. 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 1.
↓  Figure 2. Forest plot depicting the odds ratio for IVF outcomes by post-trigger hormone parameters. IVF: in vitro fertilization; E2: estradiol; P4: progesterone.
Figure 2.

Tables

↓  Table 1. Patient Demographics and Cycle Outcomes
 
All cycles (n = 320)
BMI: body mass index; SD: standard deviation.
Age (years)
  Range 25–48
  Mean (SD) 37.6 (4.1)
BMI
  Range 17.54–70.52
  Mean (SD) 27.7 (8.1)
Race/ethnicity, n (%)
  African American 15 (4.7)
  Asian 39 (12.2)
  Caucasian 95 (29.7)
  Hispanic 34 (10.6)
  Unknown 137 (42.8)
Number of oocytes retrieved
  Range 1–47
  Mean (SD) 11.0 (7.5)
Oocyte recovery rate (proportion)
  Range 0.23–2
  Mean (SD) 0.9 (0.3)
Number of mature oocytes
  Range 0–30
  Mean (SD) 7.2 (5.1)
Oocyte maturity rate (proportion)
  Range 0–1
  Mean (SD) 0.7 (0.2)
Number of fertilized oocytes
  Range 0–25
  Mean (SD) 6.2 (4.4)
  Median (Q1, Q3) 6 (3, 8)
Oocyte fertilization rate (proportion)
  Range 0–1
  Mean (SD) 0.9 (0.1)
Number of blastocysts
  Range 0–16
  Mean (SD) 2.9 (3.0)
Blastulation rate (proportion)
  Range 0–1
  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 (%)
  No 282 (88.1)
  Yes 38 (11.9)
Oocyte maturity rate ≤ 40%, n (%)
  No 295 (92.2)
  Yes 25 (7.8)
Fertilization rate ≤ 75%, n (%)
  No 262 (81.9)
  Yes 55 (17.2)
  Not applicable 3 (0.9)
Blastulation rate ≤ 20% (4+ fertilized), n (%)a
  No 172 (77.1)
  Yes 51 (22.9)