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Birthweights of male and female schizoprenics' offspring
Insights
Birthweights of children born to parents with schizophrenia were similar to controls, with notable exceptions. Fathers with schizophrenia had children with higher birthweights, and those born before parental illness onset were heavier.
Area of Science:
- Psychiatry
- Perinatal Psychology
- Genetics
Background:
- Schizophrenia is a complex psychiatric disorder with potential genetic and environmental influences.
- Perinatal factors, including birthweight, are increasingly studied for their association with neurodevelopmental disorders.
- Understanding birthweight patterns in offspring of individuals with schizophrenia may offer insights into early developmental trajectories.
Purpose of the Study:
- To compare the birthweights of offspring of individuals with schizophrenia to control groups.
- To investigate if birthweight differences correlate with the parental psychiatric status or the timing of illness onset.
Main Methods:
- Live birthweights and Z scores of 130 offspring of schizophrenic patients were analyzed.
- Comparison groups included state averages and 150 offspring of non-schizophrenic psychiatric patients.
- Birthweights were analyzed in relation to the onset of parental schizophrenia.
Main Results:
- Offspring of schizophrenic parents generally showed birthweights similar to controls and state averages.
- Children of fathers with schizophrenia tended to have higher birthweights.
- Offspring born at least one year before parental schizophrenia onset were significantly heavier than controls.
Conclusions:
- Birthweight in offspring of schizophrenic parents is largely comparable to general and control populations.
- Paternal schizophrenia and birth timing relative to parental illness onset appear to influence offspring birthweight.
Abstract:
The live birthweights and the birthweight Z score equivalents based upon state averages of 130 offspring of male and female schizophrenics were compared with state averages and with those of 150 offspring of nonschizophrenic psychiatric patient controls. Offspring of schizophrenics resembled the controls and the state averages with few exceptions. Schizophrenic fathers produced heavier birthweight children and the expected proportion of lower birthweight children. Offspring of schizophrenics born a year or more before onset of the parental disorder were significantly heavier than control offspring, although groups did not differ when birth was near or after breakdown.