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Table 4 Estimated total live birth rates per planned oocyte retrieval according to age

From: Minimal ovarian stimulation combined with elective single embryo transfer policy: age-specific results of a large, single-centre, Japanese cohort

Age (years)
  ≤29 30-34 35-39 40-44 ≥45 Total pa
Planned OR, n 448 2751 6595 7600 2850 20244 -
Total embryo transfers n, (%) 373 (83.3) 2048 (74.4) 4194 (63.6) 3143 (41.4) 643 (22.6) 10401 (51.4) <0.0001
Total live births n,
(%)
134 (30) 766 (27.8) 1170 (17.7) 391 (5.1) 13 (0.46) 2474 (12.2) <0.0001
  1. a Cochran-Armitage test for trend.