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Table 1 Characteristic measurements of IVF/ICSI women

From: Matrix metalloproteinase 2 level in human follicular fluid is a reliable marker of human oocyte maturation in in vitro fertilization and intracytoplasmic sperm injection cycles

Number of patients 150
Age (years) 35.2 ± 4.4
Serum estradiol (pg/ml) 2692 ± 1589
Serum progesterone (ng/ml) 0.73 ± 0.54
Mean number of retrieved oocytes 10.2 ± 6.8 (1504)
Mean number of MII oocytes 9.1 ± 6.2 (1346)
MII oocyte ratio (%) 91.3 ± 14.9 (1346/1504)
Mean number of 2PN embryos 6.5 ± 4.8 (956)
2PN embryo ratio (%) 71.4 ± 24.2 (956/1346)
Mean number of D5 GB embryos 3.0 ± 3.9 (430)
D5 GB embryo ratio (%) 35.6 ± 33.9 (430/956)
MMPs in follicular fluid  
 MMP-2 (Arbitrary units/μl) 18.4 ± 4.51
 MMP-9 (Arbitrary units/μl) 2.13 ± 6.49
TIMPs in follicular fluid  
 TIMP-1 (ng/ml) 117 ± 35
 TIMP-2 (ng/ml) 54.5 ± 15.5
  1. MII Metaphase II, 2PN Two pronuclei, D5 GB good-quality blastocysts on day 5 MMP Matrix metalloproteinase, TIMP Tissue inhibitor of matrix metalloproteinase
  2. Values are expressed as the mean ± SD. The values in parentheses indicate the numbers of oocytes or embryos