Table 2 Pre-pregnancy, pregnancy, and neonatal findings according to time from surgery to pregnancy
From: Pregnancy after bariatric surgeries; best time, gestational, and neonatal outcomes
Timing of pregnancy | P | ||||
|---|---|---|---|---|---|
Early group (≤ 12 months) N = 50 | Middle group (12–24 months) N = 50 | Late group (> 24 months) N = 100 | |||
Age | 34 (22–45) | 42 (30–59) | 40 (19–59) | < 0.001 | |
Pre-pregnancy BMI | 34 (22–45) | 42 (30–59) | 40 (19–59) | < 0.001 | |
BMI at conception | 25 (20–30) | 25 (20–30) | 25 (20–30) | 0.967 | |
TBWL from surgery to conception | 22 (15–35) | 33 (20–39) | 41 (19–59) | < 0.001 | |
Time from bariatric surgery to pregnancy in months | 10 (5–11) | 18 (13–22) | 29 (18–30) | < 0.001 | |
Performed bariatric surgery | RYGB | 28 (56.0%) | 31 (62.0%) | 62 (62.0%) | 0.495 |
OAGB | 6 (12.0%) | 9 (18.0%) | 18 (18.0%) | ||
SG | 16 (32.0%) | 10 (20.0%) | 20 (20.0%) | ||
Parity | 0 | 5 (10.0%) | 12 (24.0%) | 12 (12.0%) | 0.495 |
1 | 20 (40.0%) | 17 (34.0%) | 43 (43.0%) | ||
2 | 17 (34.0%) | 15 (30.0%) | 32 (32.0%) | ||
3 | 4 (8.0%) | 5 (10.0%) | 10 (10.0%) | ||
4 | 3 (6.0%) | 0 (0.0%) | 3 (3.0%) | ||
5 | 1 (2.0%) | 1 (2.0%) | 0 (0.0%) | ||
Weight gain during pregnancy adherence to the NAM recommendations | Inadequate | 35 (70.0%) | 14 (28.0%) | 36 (36.0%) | < 0.001 |
Adequate | 11 (22.0%) | 25 (50.0%) | 39 (39.0%) | ||
Excessive | 4 (8.0%) | 11 (22.0%) | 25 (25.0%) | ||
Preterm birth | Absent | 42 (84.0%) | 46 (92.0%) | 92 (92.0%) | 0.064 |
Present | 8 (16.0%) | 4 (8.0%) | 8 (8.0%) | ||
Gestational age | 272 (250–288) | 277 (248–288) | 282 (245–288) | < 0.001 | |
Neonatal birth weight | 2973 (2300–3479) | 3375 (3171–3979) | 3375 (3171–3979) | < 0.001 | |