Table 5 Outcomes of different oocytes retrieved from PCOS and tubal transferred on D3, D4, and D5

Cycles

17

33

5

231

287

39

Pregnancy rate, %

35.29(6/17)

60.61(20/33)

60.00(3/5)

0.178

60.17(139/231)

63.76(183/287)

51.28(20/39)

0.285

Implantation rate, %

23.53(8/34)*

50.00(28/56)

57.14(4/7)

0.032

40.18(182/453)

47.64(242/508)

45.76(27/59)

0.065

Live birth rate, %

29.41(5/17)

54.55(18/33)**

0.00(0/5)

0.032

51.08(118/231)

53.31(153/287)

38.46(15/39)

0.219

11–15 oocytes

Cycles

29

41

18

156

277

66

Pregnancy rate, %

58.62(17/29)

75.61(31/41)

55.56(10/18)

0.196

62.18(97/156)

61.01(169/277)

68.18(45/66)

0.557

Implantation rate, %

43.10(25/58)

61.11(44/72)

53.57(15/28)

0.123

42.07(130/309)

47.33(230/486)**

58.18(64/110)***

0.014

Live birth rate, %

27.59(8/29)*

65.85(27/41)

38.89(7/18)

0.005

47.44(74/156)

52.35(145/277)

60.61(40/66)

0.195

16–20 oocytes

Cycles

25

34

9

70

161

40

Pregnancy rate, %

52.00(13/25)*

91.18(31/34)

77.78(7/9)

0.003

70.00(49/70)

69.57(112/161)

55.00(22/40)

0.186

Implantation rate, %

32.00(16/50)*

65.52(38/58)

75.00(12/16)***

0.000

52.86(74/140)

55.30(146/264)

49.15(29/59)

0.669

Live birth rate, %

36.00(9/25)*

73.53(25/34)

55.56(5/9)

0.016

60.00(42/70)

60.87(98/161)

40.00(16/40)

0.051

>20 oocytes

Cycles

10

9

12

29

43

23

Pregnancy rate, %

60.00(6/10)

88.89(8/9)

58.33(7/12)

0.272

37.93(11/29)

46.51(20/43)

69.57(16/23)

0.067

Implantation rate, %

40.00(8/20)

71.43(10/14)

41.18(7/17)

0.144

27.59(16/58)*

46.67(28/60)

58.33(21/36)***

0.009

Live birth rate, %

40.00(4/10)

77.78(7/9)

58.33(7/12)

0.249

37.93(11/29)

37.21(16/43)

56.52(13/23)

0.274