Olanzapine updated on 06-10-2025

Table   Graphic     exposition period:

Congenital malformations
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
All congenital malformations (majors, minors, majors and minors, or unspecified)1.17 [0.98, 1.39]0%7 studies30,8583,534not evaluable ROB-
Major congenital malformations1.17 [0.98, 1.39]0%7 studies30,8583,534not evaluable ROB-
Congenital heart defects1.09 [0.78, 1.52]0%2 studies1372,442not evaluable ROB-
Ano-rectal atresia and stenosis2.44 [0.85, 6.96]0%2 studies5743,111not evaluable ROB-
Microcephaly / Small head circumference for gestational age0.77 [0.26, 2.28]0%2 studies474956not evaluable ROB-
Limb defects3.71 [1.36, 10.15]-1 study242413not evaluable ROB6.88 [2.05; .]
Oro-facial clefts2.56 [1.22, 5.38]-1 study2,341not evaluable ROB4.56 [1.74; .]
Bilateral renal agenesis including Potter syndrome16.25 [1.01, 262.42]-1 study75770not evaluable ROB31.99 [1.08; .]
Ebstein's anomaly23.37 [1.44, 378.91]-1 study52770not evaluable ROB46.23 [2.24; .]
Hypoplastic right heart (HRH/HRHS)16.92 [1.05, 273.39]-1 study72770not evaluable ROB33.34 [1.27; .]
26 non statistically significant endpoints reported in only one study

Growth parameters and prematurity
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
Preterm (< 37 weeks)1.28 [0.77, 2.11]27%4 studies179354not evaluable ROB-
Small for gestational age (weight)1.71 [1.07, 2.72]0%2 studies64353not evaluable ROB2.80 [1.35; .]
Large head circumference for gestational age3.02 [1.60, 5.71]-1 study186not evaluable ROB5.49 [2.58; .]
5 non statistically significant endpoints reported in only one study

Maternal consequences
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
Gestational diabetes1.53 [1.17, 2.00]0%5 studies6,147719not evaluable ROB2.42 [1.61; .]
1 non statistically significant endpoints reported in only one study

Neonatal disorders
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
Neonatal disorders (as a whole)4.02 [2.07, 7.81]-1 study5686not evaluable ROB7.51 [3.56; .]
3 non statistically significant endpoints reported in only one study

Intrauterine deaths
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
Early intrauterine deaths (< 22 weeks) / Spontaneous abortions1.00 [0.80, 1.25]0%3 studies158,486403not evaluable ROB-
1 non statistically significant endpoints reported in only one study

Neuro-developmental disorders
Adverse outcome OR 95%CII2k No. casesNo. exposedpublication biasROBE-value
Cognitive developmental disorders/delay (> 6 years old)0.80 [0.35, 1.85]27%2 studies8762,727not evaluable ROB-
Language disorders/delay0.92 [0.73, 1.16]0%2 studies78,5242,676not evaluable ROB-
Learning disorders 0.70 [0.38, 1.29]0%2 studies1,3101,181not evaluable ROB-
Neuro-developmental disorders (as a whole)0.93 [0.80, 1.09]0%2 studies160,3702,895not evaluable ROB-
Severe cognitive developmental delay (Mental retardation) (> 6 years old)0.80 [0.35, 1.85]27%2 studies8762,727not evaluable ROB-
5 non statistically significant endpoints reported in only one study