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Table 2 Characteristics of cycles. Cycles were divided by age group, cycle status, cycle number, insemination type, stimulation type, infertility cause, ET day and number of embryos transferred. The number of cycles in each group was noted

From: Maximum basal FSH predicts reproductive outcome better than cycle-specific basal FSH levels: waiting for a “better" month conveys limited retrieval benefits

  Grouping Cycles %
Age Group (yo) ≤35 4835 31.1
  35–38 3312 21.3
  38–41 3745 24.1
  41–43 2197 14.1
  >43 1482 9.5
Cycle Status Completed 13,453 86.4
  Cancelled 2120 13.6
Cycle Number 1 9132 58.6
  2 3952 25.4
  3 1550 10.0
  4 547 3.5
  5+ 392 2.5
Insemination Type Conventional 5448 40.5
  ICSI 7698 57.2
  Both 307 2.3
Stimulation Type Antagonist 8023 51.5
  Down Regulation 5005 32.1
  Microflare 2545 16.3
Infertility Cause Male 3090 19.8
  DOR 2838 18.2
  Idiopathic 2834 18.2
  Tubal 1887 12.1
  Endometriosis 1004 6.4
  PCO 746 4.8
  Ovulatory 718 4.6
  Other 649 4.2
  Not Specified 573 3.7
  Genetic 390 2.5
  Uterine 314 2.0
  RPL 283 1.8
  Endocrine 133 0.9
  Single Woman 114 0.7
Embryo Transfer Day 2 15 0.1
  3 7398 61.2
  4 7 0.1
  5 4407 36.5
  6 261 2.2
Embryos Transferred 1 1542 12.8
  2 4816 39.9
  3 3235 26.8
  4 1590 13.2
  5+ 900 7.4
  1. DOR: diminished ovarian reserve
  2. PCO: polycystic ovaries
  3. RPL: recurrent pregnancy loss