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Table 1 Demographics, treatment characteristics, and oocyte and embryo outcomes of trial participants (n = 291)

From: Follicular flushing increases the number of oocytes retrieved in poor ovarian responders undergoing in vitro fertilization: a retrospective cohort study

  Poor ovarian responders
N (%)
Primary infertility 102(35.1%)
Secondary infertility 189(64.9%)
  Mean ± SD
Age (years) 39.32 ± 2.55
Duration of infertility (years) 5.44 ± 3.65
Peak estradiol (pmol/L) 2665.11 ± 2401.38
Follicles aspirated 2.07 ± 0.85
Oocytes retrieved
 Initial aspirate 1.23 ± 1.00 a
 Aspiration and all flushes 1.73 ± 0.96 a
Mature oocytes 1.54 ± 0.94
Number of fertilizations 1.46 ± 0.96
Number of cleavages 1.43 ± 0.95
Number of high-quality embryos 1.03 ± 0.87
  1. a Differences in the number of oocytes retrieved from the initial aspirate group and the aspiration+all flushes group were significant (Student’s t-test, P = 0.000)