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Updated: Aug 25, 2026

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
Published on: November 20, 2015
Insights
This study analyzed premature birth rates in the GDR in 1974, finding a minimum rate among mothers aged 25-30 having their second child. Twin births and abortion policy changes were also examined for their impact on prematurity.
Area of Science:
- Perinatology
- Demographic Health
- Reproductive Epidemiology
Context:
- Analysis of a 5.5% sample of live births in the German Democratic Republic (GDR) in 1974.
- Investigates factors influencing the rate of premature births.
Purpose:
- To evaluate the distribution of premature births by maternal age, birth order, and twin status.
- To assess the impact of reproductive modifications, including abortion decontrol in 1972, on prematurity rates.
Summary:
- Premature birth rates exhibited a minimum in mothers aged 25-30 experiencing their second birth.
- The study independently analyzed premature birth rates among twins concerning birth order and maternal age.
- Discusses the influence of twin births and the consequences of liberalized abortion policies on prematurity.
Impact:
- Provides insights into demographic factors affecting premature birth rates.
- Highlights the complex interplay between reproductive policies, multiple births, and neonatal outcomes.
- Informs public health strategies aimed at reducing premature birth rates.
Abstract:
In a 5,5% sample of the lifeborns in the GDR in 1974 the distribution of the rate of prematures by uniquebirthes is evaluated for child bearing age, birth-order and age and order at the same time. The sample points a minimum in the group of the 2nd order and age between 25 and 30. Undependently of this result the distribution of the rate of prematures by twins is evaluated for the order of birthes and borns and for child bearing age. The influence of the twins on these distributions is discussed. Modifications of the human reproduction as a result of the decontrol of abortion in 1972 are discussed in its consequences of the rate of prematures. In consequence of the decontrol of abortion an ascent of the rate of prematures would be expected without patronize the risk for premature directly.
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