The relationship between gestational active and passive smoking and early postpartum complications

Adıbelli, Derya; Kırca, Nurcan

doi:10.1080/14767058.2020.1763294

Cited by 15 publications

(15 citation statements)

References 28 publications

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“…Additionally, we found a tendency for smaller length and head and chest circumferences in newborns from active smoking women compared to those from nonsmoking mothers. These findings are strongly supported by similar studies, where maternal active smoking was associated with a lower mean birth weight [14,25], smaller length and head circumference [1,2,33], and abnormal body proportions [18,30].…”

Section: Discussionsupporting

confidence: 82%

“…As shown in previous research, active and passive maternal smoking during pregnancy increases the risk of having a child with low birth weight [27,34] and significantly increases other negative pregnancy outcomes, such as preterm birth [17,21], respiratory distress [1], antepartum and intrapartum stillbirth [5], perinatal death [24], long-term morbidity in offspring [32], and sudden unexpected infant death [3].…”

Section: Introductionmentioning

confidence: 68%

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Active and Passive Maternal Smoking During Pregnancy and Birth Outcomes: A Study From a Developing Country

Hamadneh

2021

Annals of Global Health

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Background: Smoking is one of the modifiable risk factors for adverse maternal and neonatal outcomes and is associated with low birth weight, preterm birth, respiratory, antepartum and intrapartum stillbirth, and perinatal death as well as long-term morbidity in offspring and sudden unexpected infant death. The rate of smoking in low-and middleincome countries is still relevantly high, and Jordan is no exception.Objective: To investigate the effect of active and passive smoking during pregnancy on adverse pregnancy outcomes. MethodsThe case-control study was conducted in Jordan in June 2020. Healthy women with full-term singleton pregnancy (n = 180) were interviewed and stratified into three groups: Group I, active smokers; Group II, passive smokers; and Group III, nonsmokers. The study variables included demographic data, current pregnancy history, cotinine level of mothers and newborns, and perinatal outcomes. Statistical analysis was performed using the application package IBM SPSS 25. Various algorithms of statistical analysis were used depending on the type of distribution of feature and data quality. The threshold for statistical significance was set at p < 0.05. Results:Active smokers had significantly lower gestational age at delivery compared to passive and nonsmoking women (p = 0.038 and p = 0.003, respectively). Neonates from active smoking mothers had significantly lower birth weight compared to neonates from passive and nonsmoking women (p = 0.016 and p = 0.019, respectively), significantly lower head and chest circumferences compared to babies from passive smokers (p < 0.001 and p = 0.036, respectively), and significantly lower first-minute Apgar score compared to those from nonsmoking women (p = 0.023). The urine cotinine level was significantly higher in both active and passive smoking women (both p < 0.01), and it was significantly higher in newborns who had been exposed to smoking in utero despite maternal active or passive smoking status (both p < 0.001). There was a weak negative correlation between urine cotinine level and birth weight: r = -0.14 for maternal cotinine level and r = -0.15 for neonate cotinine level.

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Section: Discussionsupporting

confidence: 82%

Section: Introductionmentioning

confidence: 68%

Active and Passive Maternal Smoking During Pregnancy and Birth Outcomes: A Study From a Developing Country

Hamadneh

2021

Annals of Global Health

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“…First, our study was conducted among a new study cohort, that is, the national pregnant Chinese women. Previous studies on the adverse effects of air pollution exposure on birth outcomes were mostly carried out in the developed countries or regions (26,27). The differences between Chinese and people from other countries were reflected in several aspects, such as the higher exposure condition of maternal SHS (28,29), higher PM 2.5 pollution levels (30,31), and more vulnerable metabolism characteristics of the Chinese population compared with people from other countries (32,33).…”

Section: Discussionmentioning

confidence: 99%

“…After 6,914 mismatches of birthplace and follow-up place or missing were removed, 241,587 participants were involved preliminarily. Participants lost to follow-up (5,036), unreported birth weight (26,275), unreported gestational PM 2.5 concentration (1,121), unreported SHS exposure (7,471), and active smoking (1,434) were excluded. Pregnant women with adverse pregnancy outcomes, including birth defects (177), spontaneous abortion (121), medical abortion (24), induced labor (136), stillbirths (332), non-singleton births pregnancies (1,099), and LBW (484), were also excluded from the study.…”

Section: Study Design and Participantsmentioning

confidence: 99%

Maternal Secondhand Smoke Exposure Enhances Macrosomia Risk Among Pregnant Women Exposed to PM2.5: A New Interaction of Two Air Pollutants in a Nationwide Cohort

Luo

Zhang

Pan

et al. 2021

Front. Public Health

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Background: Fine particulate matter (PM2.5) is one of the most common outdoor air pollutants, and secondhand smoking (SHS) is an important source of inhalable indoor air pollution. Previous studies were controversial and inconsistent about PM2.5 and SHS air pollutants on neonatal birth weight outcomes, and no studies assessed the potential interactive effects between PM2.5 and SHS on birth weight outcomes.Purpose: To investigate the interaction between gestational PM2.5 and SHS air pollution exposure on the risk of macrosomia among pregnant women and examine the modifying effect of SHS exposure on the association of PM2.5 air pollution and birth weight outcomes during pregnancy.Methods: Research data were derived from the National Free Preconception Health Examination Project (NFPHEP), which lasted 3 years from January 1, 2010, to December 31, 2012. At least 240,000 Chinese women from 220 counties were enrolled in this project. PM2.5 exposure concentration was obtained using a hindcast model specific for historical PM2.5 estimation from satellite-retrieved aerosol optic depth. Different interaction models about air pollution exposure on birth weight outcomes were established, according to the adjustment of different confounding factors and different pregnancy stages. The establishment of interaction models was based on multivariable logistic regression, and the main confounding factors were maternal age at delivery and pre-pregnancy body mass index (BMI) of participants. SHS subgroups analysis was conducted to further confirm the results of interaction models.Results: In total, 197,877 participants were included in our study. In the full-adjusted interaction model, maternal exposure to PM2.5 was associated with an increased risk of macrosomia in whole, the first-, second-, and third trimesters of pregnancy (p < 0.001). The interactive effect was statistically significant between maternal exposure to PM2.5 and SHS on the risk of macrosomia in the whole (interaction p < 0.050) and the first-trimester pregnancy (interaction p < 0.050), not in the second (interaction p > 0.050) or third trimester (interaction p > 0.050) of pregnancy. The higher frequency of SHS exposure prompted the stronger interaction between the two air pollutants in the whole pregnancy and the first-trimester pregnancy.Conclusions: In the whole and first-trimester pregnancy, maternal exposure to SHS during pregnancy enhanced the risk of macrosomia among pregnant women exposed to PM2.5 air pollutants, and the interaction became stronger with the higher frequency of SHS exposure.

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“…Smoking status was self-reported and divided into three categories: no smoking, stopped smoking in the first trimester, and stopped smoking after the first trimester or continued smoking during the entire pregnancy. Next, we collected data of pregnancy and birth characteristics: gestational diabetes mellitus, hypertensive disorder, placenta previa and fetal growth restriction [ 18 – 20 ]. Hypertensive disorder was defined based on the Dutch guideline as two blood pressure measurements after 20 weeks gestation with a diastolic pressure ≥ 90 and/or a systolic pressure ≥ 140 mmHg [ 21 ].…”

Section: Methodsmentioning

confidence: 99%

Women who smoke during pregnancy are more likely to be referred to an obstetrician during pregnancy and birth: results from a cohort study

Weiland

Peters

Berger

et al. 2022

BMC Pregnancy Childbirth

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Background Women who smoke during pregnancy make less use of prenatal care; the relation of smoking behavior with the use of other forms of maternal healthcare is unknown. The objective of this study is to investigate the association between women’s smoking behavior and their use of healthcare during pregnancy, birth and six weeks postpartum. Methods We analyzed data from the Dutch Midwifery Case Registration System (VeCaS), period 2012–2019. We included women with a known smoking status, singleton pregnancies, and who had their first appointment before 24 weeks of gestation with the primary care midwife. We compared three groups: non-smokers, early stoppers (stopped smoking in the first trimester), and late- or non-stoppers (stopped smoking after the first trimester or continued smoking). Descriptive statistics were used to report maternal healthcare utilization (during pregnancy, birth and six weeks postpartum), statistical differences between the groups were calculated with Kruskal–Wallis tests. Multivariable logistic regression was conducted to assess the association between smoking behavior and referrals to primary, secondary or tertiary care. Results We included 41 088 pregnant women. The groups differed significantly on maternal healthcare utilization. The late- or non-stoppers initiated prenatal care later and had less face-to-face consultations with primary care midwives during pregnancy. Compared to the non-smokers, the early- and late- or non-stoppers were statistically signficiantly more likely to be referred to the obstetrician during pregnancy and birth. Postpartum, the early- and late- or non-stoppers were statistically signficantly less likely to be referred to the obstetrician compared to the non-smokers. Conclusions Although the early- and late- or non-stoppers initiated prenatal care later than the non-smokers, they did receive adequate prenatal care (according to the recommendations). The results suggest that not smoking during pregnancy may decrease the likelihood of referral to secondary or tertiary care. The large population of smokers being referred during pregnancy underlines the important role of the collaboration between healthcare professionals in primary and secondary or tertiary care. They need to be more aware of the importance of smoking as a medical and as a non-medical risk factor.

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The relationship between gestational active and passive smoking and early postpartum complications

Cited by 15 publications

References 28 publications

Active and Passive Maternal Smoking During Pregnancy and Birth Outcomes: A Study From a Developing Country

Active and Passive Maternal Smoking During Pregnancy and Birth Outcomes: A Study From a Developing Country

Maternal Secondhand Smoke Exposure Enhances Macrosomia Risk Among Pregnant Women Exposed to PM2.5: A New Interaction of Two Air Pollutants in a Nationwide Cohort

Women who smoke during pregnancy are more likely to be referred to an obstetrician during pregnancy and birth: results from a cohort study

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