Table 1 Sociodemographic and obstetric variables studied.
From: Prediction of an effective cervical ripenning in the induction of labour using vaginal dinoprostone
Variable | N (%) | Mean (SD) |
|---|---|---|
Maternal age | 32.8 (5.03) | |
≤ 35 years | 140 (68.6) | |
> 35 | 64 (31.4) | |
Weeks of gestation | ||
< 37 | 6 (3) | |
37–41 | 147 (72.6) | |
≥ 41 | 50 (24.5) | |
Nationality | ||
Spanish | 171 (83.8) | |
Other | 33 (16.2) | |
Body mass index (BMI) | 24.97 (4.67) | |
Number of previous pregnancies | ||
1 | 96 (47.1) | |
2 | 56 (27.5) | |
≥ 3 | 52 (25.6) | |
Number of vaginal births | ||
None | 131 (64.2) | |
1 | 53 (26) | |
2 | 15 (7.4) | |
≥ 3 | 5 (2.5) | |
Previous caesarean | ||
Yes | 23 (11.3) | |
No | 180 (88.2) | |
Missing values | 1 | |
Reason for previous caesarean | ||
Failure to progress (FTP) | 5 (2.5) | |
Failed Induction (FI) | 3 (1.5) | |
Cephalopelvic disproportion (CPD) | 4 (2) | |
Non-reassuring fetal heart rate (NRFHR) | 6 (2.9) | |
Podalic presentation | 2 (1) | |
Maternal illness | 2 (1) | |
Fetal sex | ||
Male | 108 (52.9) | |
Female | 96 (47.1) | |
Diabetes | ||
No | 186 (91.2) | |
Pregestational | 3 (1.5) | |
Gestational insulin dependent | 13 (6.4) | |
Gestational non-insulin dependent | 2 (1) | |
Intrauterine growth restriction (IUGR) | ||
No | 193 (94.6) | |
Yes | 11 (5.4) | |
Hypothyroidism | ||
No | 174 (85.3) | |
Pregestational | 16 (7.8) | |
Gestational | 14 (6.9) | |
Hypertensive states in pregnancy | ||
No | 188 (92.2) | |
Chronic HTN | 4 (2) | |
Gestational HTN | 8 (3.9) | |
Pre-eclampsia | 4 (2) | |
Prepartum estimated fetal weight (EFW) | 3179.87 (621.76) | |
Prepartum amniotic fluid index (AFI) | ||
< 5 | 24 (11.8) | |
5—25 | 165 (81.3) | |
> 25 | 14 (6.9) | |
Cervical length prior to induction (CL) | 24.48 (9.14) | |
Funnelling | ||
Yes | 21 (10.3) | |
No | 183 (89.7) | |
Bishop score upon admission | 2.78 (1.37) | |
0–1 | 46 (8.8) | |
2–4 | 140 (68.6) | |
5–≤ 6 | 28 (8.9) | |
Reason for induction | ||
Post-term pregnancy | 67 (32.8) | |
Premature rupture of membranes (PROM) | 39 (19.1) | |
Gestational diabetes | 15 (7.4) | |
Maternal illness | 11 (5.4) | |
Hypertensive states in pregnancy | 20 (9.8) | |
Hydramnios | 14 (6.9) | |
Oligohydramnios | 12 (5.9) | |
Intrauterine growth restriction (IUGR) | 14 (6.9) | |
Non-reassuring status | 1 (0.5) | |
Macrosomia | 1 (0.5) | |
SGA | 10 (4.9) | |
Bishop score in dilation | 6.28 (1.89) | |
Duration of dilation | 288.80 (231.34) | |
Duration of second stage | 83.28 (81.03) | |
Type of birth | ||
Spontaneous | 113 (55.4) | |
Vacuum | 17 (8.3) | |
Spatula | 11 85.4) | |
Forceps | 6 (2.9) | |
Caesarean | 57 (27.9) | |
Indication for instrumental delivery | ||
Shorten second stage | 21 (61.76) | |
Non-reassuring fetal heart rate (NRFHR) | 9 (26.47) | |
Maternal illness | 1 (2.94) | |
Inadequate progress | 3 (8.82) | |
Indication for caesarean | ||
Failure to progress (FTP) | 20 (12) | |
Failed induction (FI) | 9 (5.4) | |
Cephalopelvic disproportion (CPD) | 7 (4.2) | |
Non-reassuring fetal heart rate (NRFHR) | 20 (12) | |
Weight of newborn | 3201.68 (504.7) | |
APGAR 1 minute | ||
> 7 | 189 (92.6) | |
< 7 | 15(7.4) | |
APGAR 5 minutes | ||
> 7 | 202 (99) | |
< 7 | 2 (1) | |
Level of resuscitation | ||
No resuscitation | 161 (68.9) | |
Type I | 38 (18.6) | |
Type II | 1 (0.5) | |
Type III | 4 (2) | |
Arterial PH | 7.27 (0.06) | |
Venous pH | 7.32 (0.05) | |
