Pregnancy outcomes excluding pregnancies with early fetal loss or lost to follow-up
| Early intervention, N=23 | Controls, N=21 | Declined, N=17 | |
| Ultrasound scan—fetal measurements, n (%) | |||
| Abdominal circumference >95th centile | 0 | 1 (5) | 6 (35) |
| Abdominal circumference <5th centile | 0 | 3 (14) | 1 (6) |
| Estimated fetal weight >90th centile | 3 (13) | 5 (24) | 7 (41) |
| Estimated fetal weight <10th centile | 1 (4) | 3 (14) | 1 (6) |
| Pre-eclampsia, n (%) | 0 | 3 (14) | 1 (6) |
| Induction of labour, n (%) | 10 (43) | 11 (52) | 3 (18) |
| Caesarean section, n (%) | |||
| Total | 6 (26) | 9 (43) | 11 (65) |
| Elective | 2 (9) | 3 (14) | |
| Emergency | 4 (17) | 6 (29) | |
| Gestation at delivery <37 weeks, n (%) | 1 (4) | 1 (5) | 1 (6) |
| Shoulder dystocia, birth trauma, neonatal death, n (%) | 0 | 0 | 0 |
| Customised birthweight centile, median (IQR) | 49 (21–72) | 37 (20–57) | 77(32–97) |
| Customised birthweight centile <10th, n (%) | 4 (17) | 4 (19) | 3 (18) |
| Customised birthweight centile >90th, n (%) | 1 (4) | 2 (10) | 4 (24) |
| Baby BGL checked, n (%) | 19 (83) | 16 (76) | 10 (59) |
| Baby BSL <2.6 mmol/L | 7/19 (37) | 2/16 (13) | 7/10 (70) |
| Dextrose gel | 5/19 (22) | 2/16 (13) | 5/10 (50) |
| Intravenous dextrose | 0 | 2/16 (13) | 2/10 (20) |
| NICU admission, n (%) | 1 (4) | 2 (10) | 2 (10) |
| Respiratory support >4 hours, n (%) | 0 | 2 (10) | 0 |
| Jaundice requiring phototherapy, n (%) | 1 (4) | 0 | 1 (5) |
BGL, blood glucose level; BSL, blood sugar level; NICU, neonatal intensive care unit.