Table 3 Characteristics of live birth vs. non-live birth
From: Possibility of live birth in patients with low serum β-hCG 14 days after blastocyst transfer
Characteristics | Live birth | Non-live birth | P |
|---|---|---|---|
N | 58 | 254 | |
Female age (years) | 31.9 ± 4.7 | 32.5 ± 4.9 | 0.346 |
Male age (years) | 34.8 ± 5.1 | 34.7 ± 5.1 | 0.837 |
Infertility duration (years) | 4.6 ± 2.7 | 4.8 ± 3.5 | 0.625 |
No. of previous gestation | 0.242 | ||
%(n) | |||
0 | 48.3 (28) | 42.2 (107) | |
1–2 | 48.3 (28) | 47.6 (121) | |
≥ 3 | 3.4 (2) | 10.2 (26) | |
Causes of Infertility %(n) | 0.805 | ||
Tubal/ Peritoneal | 55.2 (32) | 48.0 (122) | |
Ovulatory dysfunction | 8.6 (5) | 10.2 (26) | |
Male factor | 10.3 (6) | 12.6 (32) | |
Others | 25.9 (15) | 29.1 (74) | |
No. of previous transfer | 1.8 ± 1.0 | 2.1 ± 1.3 | 0.187 |
AMH (ng/ml) | 6.80 ± 5.29 | 6.63 ± 4.54 | 0.807 |
BMI (kg/m2) | 21.9 ± 2.9 | 22.3 ± 3.5 | 0.434 |
Types of cycle | 0.378 | ||
Natural cycle | 22.4 (13) | 27.6 (70) | |
Artificial cycle | 77.6 (45) | 70.5 (179) | |
Stimulation cycle | 0.0 (0) | 2.0 (5) | |
EMTa 5 days before transfer (mm) | 8.6 (8.0,10.0) | 8.5 (7.6,10.0) | 0.327 |
Days of embryos transfer %(n) | 0.807 | ||
5 | 58.6 (34) | 67.7 (172) | |
6 | 36.2 (21) | 31.1 (79) | |
both 5&6 | 5.2 (3) | 1.2 (3) | |
No. of embryos transferred % (n) | 0.574 | ||
1 | 39.7 (23) | 43.7 (111) | |
2 | 60.3 (35) | 56.3 (143) | |
Serum Pb | 65.8 ± 29.4 | 53.1 ± 28.7 | 0.115 |
Serum E2b | 1125 (479,1386) | 891 (472,1871) | 0.820 |
Serum β-hCG (mIU/ml) | 196 (144, 221) | 140 (84,216) | 2.40E-5 |