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Table 2 The percentage of insemination cycles and infertility diagnosis among the different patients groups. Data are presented as number (% from total cycles).

From: Human chorionic gonadotropin administration is associated with high pregnancy rates during ovarian stimulation and timed intercourse or intrauterine insemination

  All groups Group 1 HCG-only Group 2 hCG plus LH-surge Group 3 LH-surge-only Group 4 All hCG (sum of groups 1 and 2 Group 5 All LH-surge Sum of groups 2 and 3
No. of cycles 2000 1146 548 306 1694 854
IC 637 (31.9%) 364 (31.8%) 157 (28.6%) 116 (37.9%) 521 (30.8%) 273 (32%)
IUI 1363 (68.2%) 782 (68.2%) 391 (71.4%) 190 (62.1%) 1173 (69.2%) 581 (68%)
No. of patients 860 439 315 106 754 421
PCOS 250 (29.1%) 127 (28.9%) 95 (30.2%) 28 (26.4%) 222 (29.4%) 123 (29.2%)
Unexplained infertility 610 (70.9%) 312 (71.1%) 220 (69.8%) 78 (73.6%) 532 (70.6%) 298 (70.8%)
  1. There was no statistically signbificant difference among the different groups as regards the number of timed-intercourse or IUI cycles, or the infertility diagnosis.