Skip to main content

Table 1 Patients and cycle characteristics

From: Is there a link between blastomere contact surfaces of day 3 embryos and live birth rate?

Patients

N = 474

Female age

30.61 ± 3.31

Cause of subfertility

 

Unexplained

219 (46)

Tubal

60 (13)

Ovulation

103 (22)

Endometriosis

69 (15)

Implantation

12 (3)

Other

11 (2)

Male factor

339 (72)

Cycles

N = 474

ICSI

189 (39%)

IVF

288 (61%)

Oocytes per oocyte retrieval

10.16 ± 4.71

Mature oocytes per oocyte retrieval

8.84 ± 4.15

Fertilization rate per oocyte

65 ± 21.6

Fertilization rate per mature oocyte

74 ±21.3

Clinical outcome

 

Positive βhCG

158 (33)

Biochemical pregnancy

18 (4)

Implanted embryos

140 (30)

Extra uterine sac

2 (0.4)

Intra uterine sac

138 (29)

Early miscarriagea

18 (4)

Late miscarriageb

4 (1)

Induced abortion

1 (0)

Live birth

115 (24)

Embryo characteristics (n = 474)

Total

 ≤ 5 cell stage

46 (10)

6-cell stage

47 (10)

7-cell stage

102 (22)

8- cell stage

279 (59)

  1. Values are mean ± SD or N(%).
  2. adefined as a miscarriage up to 12 weeks after embryo transfer.
  3. b defined as a miscarriage between 12 and 20 weeks after embryo transfer.