Table 3 The neonatal outcome of artificial FET cycles using strengthened luteal phase support
Characteristics | Low P+ strengthened LPS (n = 511) | normal P+ routine LPS (n = 546) | P value |
|---|---|---|---|
Singletons | 363 | 412 | |
Newborn gender | 0.342 | ||
Female | 182 | 192 | |
Male | 181 | 220 | |
Birthweight (g) | 3366.4 ± 536.0 | 3317.0 ± 516.7 | 0.193 |
Gestation age (weeks) | 38.5 ± 1.7 | 38.4 ± 1.9 | 0.060 |
Low birthweight (< 2500 g) n (%) | 16 (4.4%) | 18 (4.4%) | 0.986 |
Macrosomia (≥4000 g) n (%) | 38 (7.4%) | 32 (7.8%) | 0.195 |
Pregnancy-related complications n (%) | 16 (4.4%) | 32 (7.8%) | 0.052 |
Twins | 148a | 134 | |
Newborn gender | 0.563 | ||
Female | 137 | 131 | |
Male | 158 | 137 | |
Birthweight (g) | 2461.0 ± 460.1 | 2472.6 ± 472.2 | 0.833 |
Gestation age (weeks) | 35.6 ± 2.4 | 35.5 ± 2.5 | 0.087 |
Very low birthweight (< 1500 g) n (%) | 16 (5.4%) | 14 (5.2%) | 0.891 |
Low birthweight (< 2500 g) n (%) | 116 (39.3%) | 100 (37.3%) | 0.552 |
Pregnancy-related complications n (%) | 25 (16.9%) | 31 (23.1%) | 0.212 |