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Results of univariate analysis of the course of labour group of observed outcomes between the study group (age ≤19 years) or the study subgroup (age ≤17 years) and the control group (age 20–24 years) of primiparous women, Slovenia, 2008–2012.

Control groupStudy groupStudy subgroup
The course of labour20–24 years (N=12,112)≤19 years (N=1,413)≤17 years (N=318)
n (%)n (%)P

comparison to the control group - χ2 test

n (%)P

comparison to the control group - χ2 test

Onset of labour
     Spontaneous9197 (76.1)1.152 (81.7)<0.001269 (84.6)0.006
     Administration of PGE21.451 (12.0)139 (9.9)<0.00125 (7.9)0.006
     Artificial rupture of membranes971 (8.0)79 (5.6)<0.00116 (5.0)0.006
     Elective Caesarean section465 (3.8)40 (2.8)<0.0018 (2.5)0.006
     Augmentation with oxytocin7751 (64.0)875 (61.9)0.126188 (59.1)0.074
Foetal position
     Occipito-anterior foetal position10857 (88.7)1270 (89.2)0.927280 (87.8)0.614
     Other foetal head positions785 (7.4)89 (6.3)0.92725 (7.8)0.614
     Breech presentations567 (4.6)61 (4.3)0.92714 (4.4)0.614
Delay of cervical dilatation252 (2.1)15 (1.1)0.091 (0.3)0.028
Incorrect descent of the presenting part754 (6.2)67 (4.7)0.02716 (5)0.383
Foetal distress503 (4.2)62 (4.4)0.67613 (4.1)0.954
Labour dystocia84 (0.7)9 (0.6)0.8085 (1.6)0.067
Instrumental intervention (vacuum, forceps)556 (4.5)62 (4.4)0.00118 (5.6)0.040
Emergency Caesarean section2006 (16.4)180 (12.6)0.00136 (11.3)0.040
Episiotomy5432 (44.9)482 (44.0)0.872155 (48.7)0.169
Maternal injuries
     Minor injuries2937 (24.2)298 (21.1)0.00875 (23.6)0.785
     Uterine cervix injury199 (1.6)25 (1.8)0.7259 (2.8)0.103
     Severe injuries46 (0.4)4 (0.3)0.5710 (0.0)0.271
Complications of the third stage of labour420 (3.5)48 (3.4)0.89117 (5.3)0.073
Labour without complications8902 (73.5)1061 (75.1)0.199255 (80.2)0.007

Results of univariate analysis of the course of pregnancy group of observed outcomes between the study group (age ≤19 years) or the study subgroup (age ≤17 years) and the control group (age 20–24 years) of primiparous women, Slovenia, 2008–2012.

Control groupStudy groupStudy subgroup
The course of pregnancy20–24 years (N=12,112)≤19 years(N=1, 413)≤17 years (N=318)
n (%)n (%)P

comparison to the control group - χ2 test

n (%)P

comparison to the control group - χ2 test

Hypertension598 (4.9)68 (4.8)0.83715 (4.7)0.858
Anaemia273 (2.3)43 (3.0)0.06314 (4.4)0.012
Gestational diabetes265 (2.2)10 (0.7)<0.0011 (0.3)0.023
Unknown estimated date of delivery55 (0.5)27 (1.9)<0.00118 (5.7)<0.001
Bleeding during pregnancy616 (5.1)41 (2.9)<0.0018 (2.5)0.038
Intrauterine growth restriction (IUGR)291 (2.4)43 (3.0)0.14212 (3.8)0.118
Foetal anomalies33 (0.3)4 (0.3)0.9422 (0.6)0.236
Threatened preterm labour473 (3.9)82 (5.8)0.00121 (6.6)0.015
Duration of pregnancy
     Birth at ≤17 weeks124 (1.0)28 (2.0)0.0017 (2.2)0.017
     Birth at 32-36 weeks649 (5.4)94 (6.7)25 (7.9)
     Birth at ≥37 weeks11338 (93.6)1290 (91.4)286 (89.9)
Gestational weight gain in relation to BMI before pregnancy
     Appropriate gestational weight gain3135 (26.0)341 (24.2)<0.00181 (25.6)<0.001
     Low gestational weight gain1986 (16.4)357 (25.3)104 (32.8)
     High gestational weight gain6953 (57.6)712 (50.5)132 (41.6)

Results of univariate analysis of the newborn status group of observed outcomes between the study group (age ≤19 years) or the study subgroup (age ≤17 years) and the control group (age 20–24 years) of primiparous women, Slovenia, 2008–2012.

Control groupStudy groupStudy subgroup
Status of the newborn20–24 years (N=12,112)≤19 years (N=1,413)≤17 years (N=318)
n (%)n (%)P

comparison to the control group - χ2 test

n (%)P

comparison to the control group - χ2 test

Stillbirth62 (0.5)7 (0.5)0.9410 (0.0)0.202
Apgar score <17 at 1st minute453 (3.7)56 (3.9)0.65914 (4.4)0.522
Apgar score <17 at 5th minute156 (1.3)33 (2.3)0.0017 (2.2)0.152
Newborn’s birth weight
     Very low newborn’s birth weight <17 g133 (1.1)25 (1.8)<0.0016 (1.9)<0.001
     Low newborn’s birth weight 1500-2499 g642 (5.2)108 (7.6)35 (11.0)
     Appropriate newborn’s birth weight 2500-3999 g10488 (85.7)1193 (83.8)265 (83.1)
     Excessive newborn’s birth weight ≥4000 g972 (7.9)97 (6.8)13 (4.1)
Small for gestational age (SGA)708 (5.8)104 (7.3)0.02231 (9.7)0.003

Results of univariate analysis of prenatal care group of observed outcomes between the study group (age ≤19 years) or the study subgroup (age ≤17 years) and the control group (age 20–24 years) of primiparous women, Slovenia, 2008–2012.

Control groupStudy groupStudy subgroup
Prenatal care20–24 years (N=12,112)≤19 years (N=1,413)≤17 years (N=318)
n (%)n (%)P

comparison to the control group - χ2 test

n (%)P

comparison to the control group - χ2 test

Week of the first check-up at gynaecologist<0.001<0.001
     First check-up at gynaecologist <12 weeks of pregnancy9966 (82.3)888 (62.9)1174 (54.7)
     First check-up at gynaecologist at 12-22 weeks of pregnancy1800 (14.9)370 (26.2)95 (29.9)
     First check-up at gynaecologist ≥23 weeks of pregnancy342 (2.8)154 (10.9)49 (15.4)
     No check-ups during pregnancy50 (0.4)30 (2.1)<0.00118 (5.7)<0.001
Number of check-ups during pregnancy<0.001<0.001
     1-7 check-ups during pregnancy1.773 (14.6)426 (30.1)124 (39.0)
     8-12 check-ups during pregnancy8305 (68.6)810 (57.2)154 (48.4)
     ≥13 check-ups during pregnancy1.983 (16.4)147 (10.4)22 (6.9)
Number of ultrasonography check-ups<0.001<0.001
     0-1 ultrasonography check-up333 (2.8)122 (8.6)42 (13.2)
     2 ultrasonography check-ups1660 (13.7)284 (20.1)78 (24.5)
     ≥3 ultrasonography check-ups10116 (83.5)1006 (71.2)198 (62.3)
Parenting school attendance8431 (69.6)543 (38.5)<0.00168 (21.4)<0.001
Smoking during pregnancy2213 (18.3)457 (32.4)<0.001121 (38.1)<0.001
Nuchal translucency8007 (66.1)455 (32.0)<0.00145 (14.1)<0.001
Cervix uteri measurement937 (7.7)61 (4.3)<0.00110 (3.1)<0.002
eISSN:
1854-2476
Langue:
Anglais
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4 fois par an
Sujets de la revue:
Medicine, Clinical Medicine, Hygiene and Environmental Medicine