Paternal age and preterm birth in Italy, 1990 to 1998

Paola Astolfi1, Antonio De Pasquale, Laura Attinia Zonta

  • 1Department of Genetics and Microbiology, A. Buzzati-Traverso, University of Pavia, Pavia, Italy. astolfi@ipvgen.unipv.it

Insights

Advanced paternal age increases the risk of preterm birth, especially very preterm births. This large study confirms paternal age as a significant factor in adverse pregnancy outcomes.

Area of Science:

  • Reproductive Health
  • Perinatal Epidemiology
  • Maternal-Fetal Medicine

Background:

  • Advanced paternal age is a growing concern in reproductive health.
  • Previous studies suggest a link between paternal age and adverse pregnancy outcomes.
  • The impact of paternal age on preterm birth requires further investigation.

Purpose of the Study:

  • To investigate the association between advanced paternal age and preterm birth.
  • To quantify the risk of overall, very, and moderate preterm births related to paternal age.
  • To analyze a large national dataset for robust epidemiological insights.

Main Methods:

  • Analysis of Italian singleton births from 1990-1998 (n=1,510,823).
  • Logistic regression models adjusted for confounders to assess preterm birth risk across paternal age groups.
  • Nonparametric regression used to model the effect of paternal age on very preterm births.

Main Results:

  • Paternal age was significantly associated with an increased risk of preterm birth.
  • The risk for very preterm births escalated more rapidly with paternal age compared to moderate preterm births.
  • Fathers aged 45-49 showed significantly higher odds of very preterm births with younger mothers.

Conclusions:

  • Paternal age is a confirmed contributor to preterm birth risk.
  • The association between paternal age and preterm birth is stronger for very preterm outcomes.
  • Advanced paternal age also influences the risk of moderate preterm births, highlighting its broad impact.
Abstract

Related Concept Videos

Regression Toward the Mean01:52

Regression Toward the Mean

Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when researchers try to extrapolate results...
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...