Table 1.
Baseline characteristics and perinatal outcomes of the study populations.
| Uncomplicated pregnancies (n = 5) | Fetal growth restriction (n = 5) | p value | |
|---|---|---|---|
| Baseline characteristics | |||
| Age (years) | 31 (28 to 31) | 26.5 (24.5 to 28) | 0.05 |
| Caucasian (%) | 74 | 100 | 0.24 |
| Nulliparity (%) | 40 | 40 | 1 |
| Smoking (%) | 0 | 20 | 0.29 |
| Feto-placental Doppler before delivery | |||
| Uterine arteries mean pulsatility index (z score) | − 0.27 (− 2.19 to 1.25) | 0.14 (− 0.35 to 2.47) | 0.65 |
| Umbilical artery pulsatility index (z score) | 0.16 (− 0.4 to 0.88) | 0.66 (− 0.14 to 1.35) | 0.65 |
| Middle cerebral artery pulsatility index (z score) | − 0.33 (− 0.4 to 0.51) | 0.25 (− 0.47 to 0.46) | 1 |
| Cerebroplacental ratio (z score) | − 0.02 (− 1.32 to 0.49) | − 1.05 (− 1.49 to − 1) | 0.46 |
| Perinatal outcomes | |||
| Gestational age at delivery (weeks) | 39 (38 to 39) | 37 (37 to 38) | 0.24 |
| Birthweight (gr) | 3276 (3030 to 3670) | 1980 (1980 to 2420) | 0.01 |
| Birthweight centile | 42 (41 to 55) | 0 (0 to 2) | 0.01 |
| Male gender (%) | 40 | 60 | 0.53 |
| Cesarean section (%) | 20 | 0 | 0.29 |
| APGAR score 5 min < 7 | 0 (0) | 0 (0) | 1 |
| Umbilical cord artery pH | 7.28 (7.25 to 7.35) | 7.11 (7.11 to 7.12) | 0.01 |
Data are shown as median (interquartile range) or percentages as appropriate. p value was calculated by Mann Whitney U test and Fisher exact test for continuous and categorical variables respectively.