Table 1 Pregnancy and newborn characteristics according to fetal growth restriction and small for gestational age status, 2005–2009 (N = 8994).
N | Total | Small for gestational age1 | Fetal growth restriction | |||
|---|---|---|---|---|---|---|
N (%) | Yes N (%) | No N (%) | Yes N (%) | No N (%) | ||
Pregnancies | N = 8994 | N = 918 | N = 8071 | N = 587 | N = 8407 | |
City of residence | 8994 | |||||
Besançon | 3684 (41.0) | 433 (47.2) | 3246 (40.2) | 257 (43.8) | 3427 (40.8) | |
Dijon | 5310 (59.0) | 485 (52.8) | 4825 (59.8) | 330 (56.2) | 4980 (59.2) | |
Maternal age at delivery > 35 years old | 8994 | 1424 (15.8) | 130 (14.2) | 1292 (16.0) | 85 (14.5) | 1339 (15.9) |
Low neighborhood socioeconomic level | 8994 | 1308 (14.5) | 142 (15.5) | 1165 (14.4) | 82 (14.0) | 1226 (14.6) |
Living status | 8577 | |||||
Living alone | 716 (8.4) | 104 (11.8) | 612 (8.0) | 66 (11.8) | 650 (8.1) | |
Married, cohabitation, others | 7861 (91.6) | 779 (88.2) | 7077 (92.0) | 495 (88.2) | 7366 (91.9) | |
Maternal employment during pregnancy | 8504 | 5455 (64.2) | 540 (62.1) | 4913 (64.4) | 352 (63.0) | 5103 (64.2) |
Maternal smoking during pregnancy | 8798 | 1665 (18.9) | 318 (35.0) | 1346 (17.1) | 207 (36.0) | 1458 (17.7) |
Pre-pregnancy body mass index (kg/m2) | 8775 | |||||
< 25 | 6226 (70.9) | 694 (77.5) | 5527 (70.2) | 457 (79.9) | 5769 (70.3) | |
25–30 | 1728 (19.7) | 133 (14.8) | 1595 (20.3) | 80 (14.0) | 1648 (20.1) | |
30 (obesity) | 821 (9.4) | 69 (7.7) | 752 (9.5) | 35 (6.1) | 786 (9.6) | |
Malnutrition | 8775 | 671 (7.7) | 122 (13.6) | 549 (7.0) | 82 (14.3) | 589 (7.2) |
Nulliparity | 8994 | 4809 (53.5) | 593 (64.6) | 4212 (52.2) | 392 (66.8) | 4417 (52.5) |
History of medical interruption of pregnancy | 8922 | 130 (1.5) | 13 (1.4) | 117 (1.5) | 9 (1.5) | 121 (1.5) |
History of preterm delivery | 8786 | 164 (1.9) | 18 (2.0) | 146 (1.9) | 12 (2.1) | 152 (1.9) |
Abnormalities of the female reproductive tract | 8994 | 722 (8.0) | 62 (6.8) | 658 (8.2) | 49 (8.4) | 673 (8.0) |
Uterine scar | 8994 | 617 (6.9) | 50 (5.5) | 566 (7.0) | 41 (7.0) | 576 (6.9) |
Assisted reproductive techniques | 8994 | 188 (2.1) | 21 (2.3) | 167 (2.1) | 19 (3.2) | 169 (2.0) |
Gestational hypertension | 8994 | 382 (4.3) | 74 (8.1) | 308 (3.8) | 79 (13.5) | 303 (3.6) |
Vaginal bleeding in the second and third trimesters | 8994 | 222 (2.5) | 32 (3.5) | 190 (2.4) | 29 (4.9) | 193 (2.3) |
Placental abruption | 8994 | 71 (0.8) | 15 (1.6) | 56 (0.7) | 15 (2.6) | 56 (0.7) |
Placenta previa | 8994 | 57 (0.6) | 6 (0.7) | 51 (0.6) | 4 (0.7) | 53 (0.6) |
Hemorrhagic placenta previa | 8994 | 33 (0.4) | 3 (0.3) | 30 (0.4) | 1 (0.2) | 32 (0.4) |
Infection | 8994 | 1258 (14.0) | 135 (14.7) | 1123 (13.9) | 93 (15.8) | 1165 (13.9) |
Infection of amniotic fluid | 8994 | 84 (0.9) | 8 (0.9) | 76 (0.9) | 10 (1.7) | 74 (0.9) |
Genitourinary infection | 8994 | 979 (10.9) | 99 (10.8) | 880 (10.9) | 58 (9.9) | 921 (11.0) |
Diabetes | 8994 | 691 (7.7) | 50 (5.5) | 641 (7.9) | 34 (5.8) | 657 (7.8) |
Hydramnios | 8994 | 116 (1.3) | 6 (0.7) | 110 (1.4) | 5 (0.9) | 111 (1.3) |
Premature rupture of membranes | 8994 | 1173 (13.0) | 91 (9.9) | 1081 (13.4) | 76 (13.0) | 1097 (13.1) |
Prematurity (≤ 36 SA) | 8994 | 736 (8.2) | 92 (10.0) | 643 (8.0) | 128 (21.8) | 608 (7.2) |
Newborns | ||||||
Status | 8994 | |||||
Living | 8883 (98.8) | 886 (96.5) | 7993 (99.0) | 577 (98.3) | 8306 (98.8) | |
Stillborn | 98 (1.1) | 30 (3.3) | 67 (0.8) | 9 (1.5) | 89 (1.1) | |
Deceased shortly after birth | 13 (0.1) | 2 (0.2) | 11 (0.2) | 1 (0.2) | 12 (0.1) | |
Sex | 8991 | |||||
Male | 4686 (52.1) | 470 (51.2) | 4214 (52.2) | 251 (42.9) | 4435 (52.8) | |
Female | 4305 (47.9) | 448 (48.8) | 3857 (47.8) | 334 (57.1) | 3971 (47.2) | |
Birth weight (g) | 8992 | 3215 (597) | 2494 (515) | 3298 (548) | 2360 (546) | 3275 (553) |
Major infant congenital abnormalities | 8994 | 305 (3.4) | 32 (3.5) | 270 (3.4) | 35 (6.0) | 270 (3.2) |
Apgar score at five minutes = 10 | 8833 | 8008 (90.7) | 787 (88.7) | 7218 (90.9) | 485 (86.0) | 7523 (91.0) |
