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TABLE 3

Maternal and Neonatal Outcomes

Group 1–Normal OGTT (n = 1,193)Group 2–Abnormal OGTT (n = 794)Group 3–Flat OGTT (n = 98)P
Pregnancy and delivery outcomes 
Hypertensive disorder of pregnancy* 75 (6.3) 55 (6.9) 7 (7.1) 0.8 
Induction of labor (excluding elective cesarean) 399 (40.1) 304 (48.2) 32 (39.5) 0.005 
Gestational age at delivery, weeks 39.2 ± 1.3 38.8 ± 1.2 39.4 ± 1.4 <0.001 
Instrumental delivery 82 (6.9) 47 (5.9) 5 (5.1) 0.6 
Cesarean delivery 286 (24) 216 (27.2) 22 (22.4) 0.2 
OASIS 9 (0.8) 12 (1.5) 2 (2) 0.1 
Shoulder dystocia 19 (1.6) 12 (1.5) 3 (3.1) 0.5 
Postpartum hemorrhage 37 (3.1) 33 (4.2) 6 (6.1) 0.1 
Blood products transfusion 33 (2.8) 22 (2.8) 7 (7.1) 0.04 
Hemoglobin, prepartum, g/dL 11.9 ± 1.1 12 ± 1.1 11.7 ± 1.3 0.02 
Hemoglobin, postpartum, g/dL 10.9 ± 1.4 11.1 ± 1.4 10.5 ± 1.6 0.02 
Neonatal outcomes 
Male sex 665 (55.7) 400 (50.4) 63 (64.3) 0.007 
Birth weight, g 3,382 ± 469 3,295 ± 484 3,400 ± 431 0.001 
Birth weight <2,500 g 33 (2.8) 43 (5.4) 2 (2) 0.006 
Birth weight >4,000 g 120 (10.1) 45 (5.6) 7 (7.1) 0.002 
Birth weight percentile 61.0 ± 26.2 62.0 ± 25.4 61.0 ± 25.9 0.936 
Birth weight <10th percentile 48 (4) 42 (5.3) 0 (0) 0.03 
Birth weight >90th percentile 42 (15.2) 31 (15.6) 3 (13) 0.949 
Neonatal pH 7.29 7.28 7.29 0.6 
Perinatal death 2 (0.2) 3 (0.4) 0 (0) 0.5 
Admission to NICU 31 (2.6) 31 (3.9) 4 (4.1) 0.2 
5-Minute Apgar score <8 5 (0.4) 4 (0.5) 0 (0) 0.7 
Group 1–Normal OGTT (n = 1,193)Group 2–Abnormal OGTT (n = 794)Group 3–Flat OGTT (n = 98)P
Pregnancy and delivery outcomes 
Hypertensive disorder of pregnancy* 75 (6.3) 55 (6.9) 7 (7.1) 0.8 
Induction of labor (excluding elective cesarean) 399 (40.1) 304 (48.2) 32 (39.5) 0.005 
Gestational age at delivery, weeks 39.2 ± 1.3 38.8 ± 1.2 39.4 ± 1.4 <0.001 
Instrumental delivery 82 (6.9) 47 (5.9) 5 (5.1) 0.6 
Cesarean delivery 286 (24) 216 (27.2) 22 (22.4) 0.2 
OASIS 9 (0.8) 12 (1.5) 2 (2) 0.1 
Shoulder dystocia 19 (1.6) 12 (1.5) 3 (3.1) 0.5 
Postpartum hemorrhage 37 (3.1) 33 (4.2) 6 (6.1) 0.1 
Blood products transfusion 33 (2.8) 22 (2.8) 7 (7.1) 0.04 
Hemoglobin, prepartum, g/dL 11.9 ± 1.1 12 ± 1.1 11.7 ± 1.3 0.02 
Hemoglobin, postpartum, g/dL 10.9 ± 1.4 11.1 ± 1.4 10.5 ± 1.6 0.02 
Neonatal outcomes 
Male sex 665 (55.7) 400 (50.4) 63 (64.3) 0.007 
Birth weight, g 3,382 ± 469 3,295 ± 484 3,400 ± 431 0.001 
Birth weight <2,500 g 33 (2.8) 43 (5.4) 2 (2) 0.006 
Birth weight >4,000 g 120 (10.1) 45 (5.6) 7 (7.1) 0.002 
Birth weight percentile 61.0 ± 26.2 62.0 ± 25.4 61.0 ± 25.9 0.936 
Birth weight <10th percentile 48 (4) 42 (5.3) 0 (0) 0.03 
Birth weight >90th percentile 42 (15.2) 31 (15.6) 3 (13) 0.949 
Neonatal pH 7.29 7.28 7.29 0.6 
Perinatal death 2 (0.2) 3 (0.4) 0 (0) 0.5 
Admission to NICU 31 (2.6) 31 (3.9) 4 (4.1) 0.2 
5-Minute Apgar score <8 5 (0.4) 4 (0.5) 0 (0) 0.7 

Categorical values are presented as n (%), and continuous variables are presented as mean ± SD. Significant results (P <0.05) are presented in bold.

*

Including gestational hypertension or preeclampsia.

Calculated according to sex-specific local growth curves (16). OASIS, obstetric anal sphincter injuries.

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