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Table 2 The influence of delaying oocyte maturation in patients with a normal progesterone level on the yield of (mature) oocytes, fertilised oocytes and good quality embryos

From: Delaying the oocyte maturation trigger by one day leads to a higher metaphase II oocyte yield in IVF/ICSI: a randomised controlled trial

Day hCG Number included (cycles/[patients]) Oocytes MII 2PN GQE
0 (LPE) 28 [20] 9.36 (3.21) 7.64 (3.26) 5.29 (3.26) 4.32 (2.62)
+1 (LPL) 31 [31] 12.58 (7.62) 10.29 (6.35) 7.48 (5.25) 5.74 (4.61)
  Mean difference 2.97 2.41 1.80 1.18
  95% CI 0.45 to 5.49 0.22 to 4.61 -0.15 to 3.76 -0.53 to 2.88
  P 0.021 0.031 0.071 0.18
  1. Numbers are expressed as means (SD).
  2. Adjusted for age.