Table 4 Demographic and IVF-FET cycle characteristics in monochorionic and dichorionic twining group
Monochorionic | Dichorionic | P-value | |
|---|---|---|---|
(n = 29) | (n = 14) | ||
Age at IVF (years) | 34.7 ± 4.5 | 35.4 ± 4.7 | 0.674 |
Body mass index (kg/m2) | 22.4 ± 3.8 | 21.2 ± 2.4 | 0.301 |
Primary infertility | 12 (41.4) | 5 (35.7) | 0.722 |
Fertilization method | |||
Conventional IVF | 12 (41.4) | 5 (35.7) | 0.722 |
ICSI | 17 (58.6) | 9 (64.3) | |
Assisted hatching | |||
No | 16 (55.2) | 8 (57.1) | 0.903 |
Yes | 13 (44.8) | 6 (42.9) | |
PGT | |||
No | 17 (58.6) | 8 (57.1) | 0.927 |
Yes | 12 (41.4) | 6 (42.9) | |
Embryo day at transfer | |||
Day 5 | 23 (79.3) | 12 (85.7) | 0.613 |
Day 6 | 6 (20.7) | 2 (14.3) | |
Endometrial preparation | |||
Natural cycle | 2 (6.9) | 1 (7.1) | 0.976 |
HRT or down-regulated | 27 (93.1) | 13 (92.9) | |
Endometrial thickness in FET (mm) | 9.0 ± 1.1 | 8.9 ± 1.4 | 0.856 |