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Table 1 Ovarian stimulation results in the P1 protocol

From: Comparative prospective study of 2 ovarian stimulation protocols in poor responders: effect on implantation rate and ongoing pregnancy

Number of cycles 462
Total FSH/hMG dose (IU) 4754 ± 684
Duration of stimulation (days) 12.6 ± 2.1
Mean estradiol levels on hCG day (pg/ml) 914 ± 307
Endometrial thickness (mm) 8.5 ± 1.6
Number of cancelled cycles (%) 75 (16.6)
Number of oocyte pick-ups 387
Number of oocytes retrieved (per pick-up) 1716 (4.5 ± 1.9)
Number of M2 oocytes retrieved 1437 (3.8 ± 2.8)
Number of oocytes fertilized 982
Number of embryos obtained 618 (1.6 ± 0.4)
Number of embryos transfer (per transfer) 329
Embryos per transfer 1.5 ± 0.3
Clinical pregnancy rate per transfer (%) 9.1
Ongoing pregnancy rate per transfer (%) 6.6
Implantation rate per embryo transferred (%) 6.0
Number of cycles with cryopreservation (%) 4.5
Number of cryopreserved embryos 35