Maternal smoking during pregnancy and socioeconomic factors as predictors of low birth weight in term pregnancies in Nis

Stojanović, Miodrag; Bojanić, Vladmila; Musovic, Dijana; Milošević, Zoran; Stojanović, Dušica; Višnjić, Aleksandar; Vučić, Miodrag; Milosavljević, Ivica; Vidanović, M

doi:10.2298/vsp1002145s

Cited by 10 publications

(7 citation statements)

References 14 publications

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“…This might be due to the influence of khat on reducing maternal food intake, which affects proper weight gain during pregnancy and fetal growth. Smoking during pregnancy was a significant risk factor for LBW, which is supported by most studies worldwide (11,12). The harmful components of cigarettes or hubble-bubble get into the maternal circulation and then to the placenta, affecting fetal growth and weight.…”

Section: Discussionmentioning

confidence: 85%

Reproductive and behavioural risk factors of low birth weight among newborns in Al Thawra Hospital, Sana’a, Yemen

Idris¹,

Sheryan²,

Ghazali³

et al. 2020

East Mediterr Health J

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Background: Low birth weight can lead to infant death, especially during the first year of life. Aims: To assess risk factors related to low birth weight babies in Sana'a, Yemen. Methods: We conducted an unmatched case-control study of 252 women who came for delivery at Al Thawra Hospital, Sana'a, Yemen, between August and October 2016. Results: Significant risk factors for low birth weight were: birth interval < 2 years; history of pre-eclampsia during current pregnancy; preterm gestational age < 37 weeks; and khat chewing or smoking during pregnancy. After controlling for all the confounders, only birth interval < 2 years was significantly associated with low birth weight. Conclusion: Shorter birth interval is an important risk factor for low birth weight; therefore, improving maternal awareness of this should be emphasized during postnatal follow-up.

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Section: Discussionmentioning

confidence: 85%

Reproductive and behavioural risk factors of low birth weight among newborns in Al Thawra Hospital, Sana’a, Yemen

Idris¹,

Sheryan²,

Ghazali³

et al. 2020

East Mediterr Health J

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“…We recently demonstrated a high prevalence of smoking before and during pregnancy in Northwest Russia, with only one of four smokers quitting during pregnancy [ 11 ]. This raised concern since tobacco smoking during pregnancy increases the risk of placental complications including placenta previa [ 12 ] and placental abruption [ 13 ], as well as preterm birth [ 14 ] and low birth weight [ 15 , 16 ]. Maternal smoking also associates with increased perinatal morbidity and mortality, while in the general population maternal smoking constitutes a risk factor for many chronic diseases including cardiovascular disease, diabetes, and inflammatory diseases [ 17 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

First-trimester smoking cessation in pregnancy did not increase the risk of preeclampsia/eclampsia: A Murmansk County Birth Registry study

et al. 2017

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BackgroundAlthough prior studies have shown that smoking reduces preeclampsia/eclampsia risk, the consequence of giving up this habit during pregnancy should be assessed. The aims of the current study were threefold: (i) describe maternal characteristics of women with preeclampsia/eclampsia; (ii) examine a possible association between the number of cigarettes smoked daily during pregnancy and the development of this affliction; and (iii) determine if first-trimester discontinuation of smoking during pregnancy influences the risk.MethodsA registry-based study was conducted using data from the Murmansk County Birth Registry (MCBR). It included women without pre-existing hypertension, who delivered a singleton infant during 2006–2011 and had attended the first antenatal visit before 12 week of gestation. We adjusted for potential confounders using logistic regression.ResultsThe prevalence of preeclampsia/eclampsia was 8.3% (95%CI: 8.0–8.6). Preeclampsia/eclampsia associated with maternal age, education, marital status, parity, excessive weight gain and body mass index at the first antenatal visit. There was a dose-response relationship between the number of smoked cigarettes per day during pregnancy and the risk of preeclampsia/eclampsia (adjusted OR1-5 cig/day = 0.69 with 95%CI: 0.56–0.87; OR6-10 cig/day = 0.65 with 95%CI: 0.51–0.82; and OR≥11 cig/day = 0.49 with 95%CI: 0.30–0.81). There was no difference in this risk among women who smoked before and during pregnancy and those who did so before but not during pregnancy (adjusted OR = 1.10 with 95%CI: 0.91–1.32).ConclusionsPreeclampsia/eclampsia was associated with maternal age, education, marital status, parity, excessive weight gain, and body mass index at the first antenatal visit. There was a negative dose-response relationship between the number of smoked cigarettes per day during pregnancy and the odds of preeclampsia/eclampsia. However, women who gave up smoking during the first trimester of gestation had the same risk of preeclampsia/eclampsia as those who smoked while pregnant. Consequently, antenatal clinic specialists are advised to take these various observations into account when counselling women on smoking cessation during pregnancy.

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“…Smoking during pregnancy is one of the most avoidable causes of adverse maternal and birth outcomes. Negative effects of maternal smoking include placental complications [ 1 – 3 ], reduced fetal growth [ 4 – 6 ], preterm birth [ 7 ], and low birth weight [ 8 , 9 ]. Adverse effects of maternal smoking during pregnancy on the future health of a child can include child neurodevelopmental disorders, onset of childhood asthma, childhood overweight and obesity [ 10 – 12 ].…”

Section: Introductionmentioning

confidence: 99%

Prevalence of smoking before and during pregnancy and changes in this habit during pregnancy in Northwest Russia: a Murmansk county birth registry study

et al. 2016

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BackgroundSmoking during pregnancy leads to adverse maternal and birth outcomes. However, the prevalence of smoking among women in Russia has increased from < 5 % in the 1980s to > 20 % in the 2000s. We conducted a registry-based study in Murmansk County, Northwest Russia. Our aims were twofold: (i) assess the prevalence of smoking before and during pregnancy; and (ii) examine the socio-demographic factors associated with giving up smoking or reducing the number of cigarettes smoked once pregnancy was established.MethodsThis study employs data from the population-based Murmansk County Birth Registry (MCBR) collected during 2006–2011. We used logistic regression to investigate associations between women’s socio-demographic characteristics and changes in smoking habit during pregnancy. To avoid departure from uniform risk within specific delivery departments, we employed clustered robust standard errors.ResultsOf all births registered in the MCBR, 25.2 % of the mothers were smokers before pregnancy and 18.9 % continued smoking during pregnancy. Cessation of smoking during pregnancy was associated with education, marital status and parity but not with maternal age, place of residence, and ethnicity. Women aged ≤ 20–24 years had higher odds of reducing the absolute numbers of cigarettes smoked per day during pregnancy than those aged ≥ 30–34 years. Moreover, smoking nulliparae and pregnant women who had one child were more likely to reduce the absolute numbers of cigarettes smoked per day compared to women having ≥ 2 children.ConclusionsAbout 25.0 % of smoking women in the Murmansk County in Northwest Russia quit smoking after awareness of the pregnancy, and one-third of them reduced the number cigarettes smoked during pregnancy. Our study demonstrates that women who have a higher education, husband, and are primiparous are more likely to quit smoking during pregnancy. Maternal age and number of children are indicators that influence reduction in smoking during pregnancy. Our findings are useful in identifying target groups for smoking intervention campaigns.

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Maternal smoking during pregnancy and socioeconomic factors as predictors of low birth weight in term pregnancies in Nis

Cited by 10 publications

References 14 publications

Reproductive and behavioural risk factors of low birth weight among newborns in Al Thawra Hospital, Sana’a, Yemen

Reproductive and behavioural risk factors of low birth weight among newborns in Al Thawra Hospital, Sana’a, Yemen

First-trimester smoking cessation in pregnancy did not increase the risk of preeclampsia/eclampsia: A Murmansk County Birth Registry study

Prevalence of smoking before and during pregnancy and changes in this habit during pregnancy in Northwest Russia: a Murmansk county birth registry study

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