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Relative prevalence of malformations at birth among different religious communities in Israel
Joël Zlotogora1, Ziona Haklai, Naama Rotem
1Ministry of Health, Jerusalem, Israel. joelz@cc.huji.ac.il
Insights
Major malformations at birth were similar among Jewish and Christian infants but higher in Muslim and Druze infants in Israel. This may be linked to consanguinity and abortion rates in these communities.
Area of Science:
- Public Health
- Genetics
- Epidemiology
Background:
- Understanding the prevalence of major malformations is crucial for public health initiatives.
- Religious communities may exhibit distinct patterns of congenital anomalies due to cultural and socioeconomic factors.
Purpose of the Study:
- To determine the birth prevalence of major malformations across different religious communities in Israel.
- To investigate potential contributing factors, such as consanguinity and abortion rates, to observed prevalence differences.
Main Methods:
- Analysis of a national registry of birth defects data spanning a 10-year period.
- Inclusion of over 1.2 million liveborn infants, categorized by religious affiliation.
- Comparison of malformation rates between Jewish, Christian, Muslim, and Druze communities.
Main Results:
- Major malformation prevalence was comparable between Jewish and Christian infants.
- Significantly higher prevalence of major malformations was observed in Muslim and Druze infants.
- Higher rates of consanguinity and lower rates of therapeutic abortion were noted in Muslim and Druze communities.
Conclusions:
- Religious affiliation is associated with varying rates of major malformations at birth in Israel.
- Consanguinity and decisions regarding therapeutic abortion appear to be significant factors influencing these disparities.
- This research provides valuable insights for public health planning and future etiological studies on birth defects.
Abstract:
The aim of this research was to determine the relative prevalence at birth of major malformations among the different religious communities in Israel as a way to better understand their causes. We collected data on malformations present among liveborn infants in a 10-year period from the national registry of birth defects according to the religious affiliation. In a total of 1,203,763 liveborn infants, the prevalence of major malformations was in a similar range among Jews and Christians and much higher among Muslim and Druze. These observations may be explained by differences between these communities, in particular, the rates of consanguinity and of therapeutic abortions. The Muslim and Druze communities in Israel are those with the highest consanguinity rates and the lowest rates of termination of pregnancies when a malformation is diagnosed. Analysis of the differences in the rate of malformations at birth in different communities is important for Public Health planning. It may also help to delineate causes and serve as the basis for research.