Related Experiment Video

Updated: Jan 31, 2026

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
14:43

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting

Published on: January 12, 2018

13.5K

Household renovation before and during pregnancy in relation to preterm birth and low birthweight in China

Wei Liu1,2, Chen Huang3, Baizhan Li4

  • 1Department of Building Science, Tsinghua University, Beijing, China.

Indoor Air
|January 1, 2019
PubMed

Insights

Household renovation before pregnancy is linked to low birthweight (LBW) and term low birthweight (Term-LBW). Renovation during pregnancy is associated with preterm birth (PTB), highlighting environmental risks to child health.

Area of Science:

  • Environmental Health
  • Maternal and Child Health
  • Epidemiology

Background:

  • Household environments significantly influence child health outcomes.
  • Early life exposures, including renovation, may pose risks to fetal development.

Purpose of the Study:

  • To investigate the association between household renovation and adverse birth outcomes in Chinese preschool children.
  • To analyze the impact of renovation timing (pre-pregnancy vs. during pregnancy) on preterm birth (PTB), low birthweight (LBW), term low birthweight (Term-LBW), and small for gestational age (SGA).

Main Methods:

  • Cross-sectional study of 25,813 preschool children in eight Chinese cities (2010-2012).
  • Parental questionnaires collected data on household renovation, gestational age, and birthweight.
  • Multivariate and two-level logistic regression analyses were employed.

Main Results:

  • Household renovation in the year before pregnancy was significantly associated with LBW (OR: 1.23, 95% CI: 1.01-1.50) and Term-LBW (OR: 1.29, 95% CI: 1.01-1.67).
  • Household renovation during pregnancy was significantly associated with PTB (OR: 1.28, 95% CI: 1.01-1.69).
  • Associations were robust in sensitivity and subgroup analyses.

Conclusions:

  • Household renovation within one year pre-pregnancy may increase the risk of LBW and Term-LBW.
  • Household renovation during pregnancy may increase the risk of PTB.
  • Findings suggest household renovation is a potential environmental risk factor impacting birth outcomes.

Keywords:
Chinahome renovationlow birthweightprenatal exposurepreterm birth

More Related Videos

Modeling Ascending Vaginal Infection, Preterm Birth, and Neonatal Morbidity in Mice04:18

Modeling Ascending Vaginal Infection, Preterm Birth, and Neonatal Morbidity in Mice

Published on: October 10, 2025

522
Transcutaneous Microcirculatory Imaging in Preterm Neonates06:27

Transcutaneous Microcirculatory Imaging in Preterm Neonates

Published on: December 31, 2015

8.5K

Related Concept Videos

Birth Control Methods01:22

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...
6.8K
Household Wiring And Electrical Safety01:13

Household Wiring And Electrical Safety

Companies that supply power to most modern households use three conductors, typically called a three-wire line. While one is neutral, the other two are both at 120 V but with opposite polarity, giving a voltage of 240 V between them. With a three-wire line, high-power appliances that require 240 V, such as electric stoves and clothes dryers, are linked between the two hot lines. 120 V appliances can be connected between the neutral and either of the hot lines. The neutral side, which is always...
1.7K
Relative Risk01:12

Relative Risk

Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K
Relative Velocity in One Dimension01:10

Relative Velocity in One Dimension

The understanding of the concept of reference frames is essential to discuss relative motion in one or more dimensions. When we say that an object has a certain velocity, we must state the velocity with respect to a given reference frame. In most examples, this reference frame has been Earth. For instance, if a statement reads that a person is sitting in a train moving at 10 m/s east, then it implies that the person on the train is moving relative to the surface of Earth at this velocity,...
10.2K
Relative Frequency Histogram01:14

Relative Frequency Histogram

The relative frequency depicts the proportion of data points that have each value. The frequency tells the number of data points that have each value. Like the histogram, a relative frequency histogram also has the same shape with a horizontal scale (the x-axis), but the vertical scale (the y-axis) is marked with relative frequencies (percentages of the whole) instead of actual frequencies. A relative frequency histogram is a graphical representation of a frequency distribution where the...
6.5K
Relative Velocity in Two Dimensions01:11

Relative Velocity in Two Dimensions

Relative velocity is the velocity of an object as observed from a particular reference frame, or the velocity of one reference frame with respect to another reference frame. The concept of relative velocity can be used to describe motion in two dimensions. Consider a particle P and two reference frames S and S′. The position of the origin of S′ as measured in S is , the position of P as measured in S′ is , and the position of P as measured in S is , which can be evaluated by utilizing...
9.1K