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Clonazepam (Epilepsy)
Overall results
Study description
Excluded studies
Table
Graphic
auto
during pregnancy (anytime or not specified)
1st trimester
2nd trimester
3rd trimester
2nd and/or 3rd trimester
throughout pregnancy
early pregnancy
days before delivery
late pregnancy
preconception-only
periconceptional
preconceptional for kinetic reason
at least 1st trimester
3 months (or more) before pregnancy or during pregnancy
1st and 2nd trimester
3 months or more before pregnancy or1st trimester
Whatever the period exposition
individual studies
Outcome
TE
95% CI
n cases
n exposed
k
Pub. bias
Congenital malformations
All congenital malformations (majors, minors, majors and minors, or unspecified)
Robert (Epilepsy), 1986 D'Souza (Epilepsy) (Controls unexposed, sick), 1991 Canger (Epilepsy), 1999 Samrén (Epilepsy), 1999 Hvas (Epilepsy) (Controls unexposed, sick), 2000 Kaaja (Epilepsy), 2003 Endo (Epilepsy) (Controls unexposed, sick), 2004 Morrow (Epilepsy) (Controls unexposed, sick), 2006 Bànhidy (Epilepsy), 2011 Veiby (Epilepsy) (Controls unexposed, sick), 2014 Thomas (Epilepsy) (Controls unexposed, sick), 2021 Battino (Epilepsy), 2024 Vajda (Epilepsy) (Controls unexposed, sick), 2024
13
1.68
[
0.72
; 3.89]
297
176
probable
Major congenital malformations
Robert (Epilepsy), 1986 Samrén (Epilepsy), 1999 Canger (Epilepsy), 1999 Hvas (Epilepsy) (Controls unexposed, sick), 2000 Kaaja (Epilepsy), 2003 Morrow (Epilepsy) (Controls unexposed, sick), 2006 Bànhidy (Epilepsy), 2011 Veiby (Epilepsy) (Controls unexposed, sick), 2014 Thomas (Epilepsy) (Controls unexposed, sick), 2021 Battino (Epilepsy), 2024 Vajda (Epilepsy) (Controls unexposed, sick), 2024
11
1.73
[
0.72
; 4.15]
292
174
critical
Congenital heart defects
D'Souza (Epilepsy) (Controls unexposed, sick), 1991 Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006 Bànhidy (Epilepsy), 2011 Thomas (Epilepsy) (Controls unexposed, sick), 2021
4
4.78
[
0.85
; 26.91]
19
15
not evaluable
Hypospadias
D'Souza (Epilepsy) (Controls unexposed, sick), 1991 Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006 Bànhidy (Epilepsy), 2011
3
5.67
[
0.66
; 48.73]
9
11
not evaluable
Digestive system anomalies
Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006 Thomas (Epilepsy) (Controls unexposed, sick), 2021
2
17.65
[
1.85
; 168.66]
4
13
not evaluable
Limb defects
Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006 Thomas (Epilepsy) (Controls unexposed, sick), 2021
2
17.03
[
1.82
; 159.26]
4
13
not evaluable
Microcephaly / Small head circumference for gestational age
Díaz-Romero (Epilepsy), 1999 Christensen (Epilepsy) (Controls unexposed, general population), 2024
2
1.23
[
0.14
; 10.66]
708
340
not evaluable
Polydactyly
D'Souza (Epilepsy) (Controls unexposed, sick), 1991 Bànhidy (Epilepsy), 2011
2
6.80
[
0.29
; 160.01]
2
2
not evaluable
Craniosynostosis
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Down syndrom / Trisomy 21
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Hip dislocation and/or dysplasia
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Minor congenital malformations
Robert (Epilepsy), 1986 Battino (Epilepsy), 1992
2
6.10
[
0.45
; 82.29]
5
7
not evaluable
Nervous system anomalies
Thomas (Epilepsy) (Controls unexposed, sick), 2021
1
97.00
[
1.67
; 5617.77]
-
4
not evaluable
Neural Tube Defects
Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006 Bànhidy (Epilepsy), 2011
2
15.19
[
1.13
; 204.41]
2
10
not evaluable
Urinary malformations
Thomas (Epilepsy) (Controls unexposed, sick), 2021
1
7.33
[
0.34
; 156.83]
6
4
not evaluable
Oro-facial clefts
Morrow (Epilepsy) (Controls exposed to Lamotrigine, sick), 2006
1
25.31
[
0.96
; 666.98]
1
9
not evaluable
Growth parameters and prematurity
Preterm (< 37 weeks)
Endo (Epilepsy) (Controls unexposed, sick), 2004 Artama (Epilepsy) (Controls unexposed, sick), 2013
2
1.71
[
0.24
; 12.03]
86
15
not evaluable
Small for gestational age (weight)
Endo (Epilepsy) (Controls unexposed, sick), 2004 Christensen (Epilepsy) (Controls unexposed, general population), 2024
2
1.40
[
1.03
; 1.89]
2,473
340
not evaluable
Large for gestational age (weight)
Artama (Epilepsy) (Controls unexposed, sick), 2013
1
0.89
[
0.05
; 15.15]
71
14
not evaluable
Low birth weight (< 2500g)
Christensen (Epilepsy) (Controls unexposed, general population), 2024
1
1.29
[
0.85
; 1.95]
1,033
339
not evaluable
Large head circumference for gestational age
Díaz-Romero (Epilepsy), 1999
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Macrosomia (> 4000g)
Endo (Epilepsy) (Controls unexposed, sick), 2004
1
1.00
[
0.00
; 255.63]
-
1
not evaluable
Maternal consequences
Caesarean
Endo (Epilepsy) (Controls unexposed, sick), 2004 Artama (Epilepsy) (Controls unexposed, sick), 2013
2
-
-
-
-
-
Assisted deliveries (forceps, vacuum, ...)
Endo (Epilepsy) (Controls unexposed, sick), 2004
1
1.00
[
0.00
; 255.63]
-
1
not evaluable
Polyhydramnios
Endo (Epilepsy) (Controls unexposed, sick), 2004
1
1.00
[
0.00
; 255.63]
-
1
not evaluable
Maternal consequences (as a whole)
Razaz (Epilepsy), 2024
1
0.91
[
0.48
; 1.72]
666
321
not evaluable
Neonatal disorders
Low Apgar score (< 7) (at 1 min)
Endo (Epilepsy) (Controls unexposed, sick), 2004 Artama (Epilepsy) (Controls unexposed, sick), 2013
2
4.00
[
0.85
; 18.71]
71
13
not evaluable
Neonatal medical care
D'Souza (Epilepsy) (Controls unexposed, sick), 1991 Artama (Epilepsy) (Controls unexposed, sick), 2013
2
4.08
[
1.09
; 15.30]
155
13
not evaluable
Low Apgar score (< 7) (at 5 min)
Artama (Epilepsy) (Controls unexposed, sick), 2013
1
54.08
[
4.59
; 637.79]
4
5
not evaluable
Feeding difficulty
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Jaundice / Icterus
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
4.33
[
0.06
; 320.42]
1
1
not evaluable
Neonatal disorders (as a whole)
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
2.20
[
0.03
; 146.04]
2
1
not evaluable
Neonatal hypotonia
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Neonatal infections
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Neonatal intracranial hemorrhage
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Neonatal tachypnea
D'Souza (Epilepsy) (Controls unexposed, sick), 1991
1
15.00
[
0.12
; 1923.88]
-
1
not evaluable
Long term consequences
Child/Infant death (> 28 days of life)
Artama (Epilepsy) (Controls unexposed, sick), 2013
1
12.04
[
0.63
; 228.65]
5
14
not evaluable
Intrauterine deaths
Perinatal death
Canger (Epilepsy), 1999 Artama (Epilepsy) (Controls unexposed, sick), 2013
2
5.61
[
0.54
; 58.60]
10
20
not evaluable
Intrauterine deaths (as a whole or unspecified)
Vajda a (Epilepsy) (Controls unexposed sick), 2024
1
10.24
[
0.20
; 535.58]
-
15
not evaluable
Neuro-developmental disorders
Neuro-developmental disorders (as a whole)
Bjørk (Epilepsy) (Controls unexposed, sick), 2022
1
1.00
[
0.75
; 1.34]
458
318
not evaluable
ADHD (Attention deficit hyperactivity disorder): Diagnosis
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
1.15
[
0.73
; 1.81]
550
339
not evaluable
ADHD (Attention deficit hyperactivity disorder): Diagnosis/Risk
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
1.15
[
0.73
; 1.81]
550
339
not evaluable
ASD (Autism spectrum disorder): Diagnosis
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
1.03
[
0.52
; 2.04]
333
339
not evaluable
ASD (Autism spectrum disorder): Diagnosis/Risk
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
1.03
[
0.52
; 2.04]
333
339
not evaluable
Cognitive developmental disorders/delay (> 6 years old)
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
0.55
[
0.20
; 1.51]
189
339
not evaluable
Severe cognitive developmental delay (Mental retardation) (> 6 years old)
Dreier (Epilepsy) (Controls unexposed, sick), 2023
1
0.55
[
0.20
; 1.51]
189
339
not evaluable
0.0
100.0
1.0