Maternal smoking and cannabis use during pregnancy and infant outcomes

Sturrock, Sarah; Williams, Emma; Ambulkar, Hemant; Dassios, Theodore; Greenough, Anne

doi:10.1515/jpm-2019-0422

Cited by 21 publications

(14 citation statements)

References 26 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: 81%

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: 81%

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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“…Studies have found that natural delivery can generate a stress response, which is mainly stimulated by fetal birth canal pressure, hence leading to a series of endocrine alterations and promoting the production of neonatal immune factors to enhance immune function, providing more resistance for neonates than cesarean section. In addition, natural delivery can also promote postpartum milk secretion and improve the relationship between puerperae and fetuses [ 11 , 12 ]. The study found that taking health products containing TCM before delivery could invigorate the spleen and kidney, nourish blood, and prevent abortion, which had a significant effect on pregnant women with habitual abortion.…”

Section: Discussionmentioning

confidence: 99%

Effect of Perineum Block Anesthesia Combined with Unprotected Perineal Delivery on the Perineal Integrity Rate and Maternal-Infant Outcomes in Primiparas Taking Health Products Containing Traditional Chinese Medicine

Liu

Zhang

et al. 2021

Evidence-Based Complementary and Alternative Medicine

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Objective. The purpose of the study was to investigate the effect of perineum block anaesthesia combined with unprotected perineal delivery on the perineal integrity rate and maternal-infant outcomes in primiparas taking health products containing traditional Chinese medicine (TCM). Methods. A total of 120 puerperae admitted to our hospital from July 2019 to July 2020 were selected as study subjects and divided into group A (n = 60) and group B (n = 60), according to the number table method. Both groups took health products containing TCM, and the puerperae in group A received perineum block anaesthesia combined with unprotected perineal delivery, while those in group B were treated with routine delivery combined with routine protected perineal delivery. After that, the effect of different delivery modes on the perineal integrity rate and maternal-infant outcomes in puerperae was analyzed by the comparison of delivery condition, perineal condition, and postpartum quality of life between the two groups. Results. There were no significant differences in average age and other general data between the two groups ( P > 0.05 ); the duration in first, second, and third stages of labor in group A was significantly lower than that in group B ( P < 0.001 ); the Apgar score in group A was significantly higher than that in group B ( P < 0.001 ); the number of puerperae with integrated perineum in group A was significantly higher than that in group B ( P < 0.05 ), while the number of puerperae receiving episiotomy in group A was significantly lower than that in group B ( P < 0.05 ); the quality of life score in group A was significantly higher than that in group B ( P < 0.001 ); the incidence of maternal postpartum complications in group A was significantly lower than that in group B ( P < 0.05 ). Conclusion. Perineum block anaesthesia combined with unprotected perineal delivery can effectively shorten maternal labor duration, improve perineal integrity rate, and reduce laceration of perineum, with a significant therapeutic effect, which is worthy of application and promotion.

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“…Significant GR was detected in the infants from the smoking groups (NoDrugsSmoke, NoDrugsDrinkSmoke, MarDrinkSmoke, and All), with >25% of the MarDrinkSmoke group being affected. El Marroun et al [58] reported that marijuana use during pregnancy resulted in more pronounced GR than tobacco use, while Sturrock et al [59] also found that cigarette smoking was associated with a lower BWZ, but that women who both smoked and used marijuana during pregnancy had infants with a lower BWZ than those who used Maternal arm circumference differed significantly between any two groups when there was no overlap of letters above the vertical bars. Maternal age differed significantly between any two groups when there was no overlap of letters above the vertical bars.…”

Section: Fig 1 Gestational Age At Enrolment Compared Among Different ...mentioning

confidence: 99%

The tragedy of smoking, alcohol, and multiple substance use during pregnancy

et al. 2022

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Background. Antenatal substance use is a significant public health concern in South Africa (SA). Information on smoking, drinking and drug use during pregnancy was collected prospectively for the Safe Passage Study of the PASS (Prenatal Alcohol in Sudden infant death syndrome and Stillbirth) Network.Objectives. Data from 4 926 pregnant women in a community near Tygerberg Academic Hospital, Cape Town, were examined to determine whether associations between different substance use groups and postnatal infant outcomes at birth and 1 year were significant.Methods. Gestational age (GA) was determined by earliest ultrasound. Maternal data were collected at enrolment or first antenatal visit. Substance use data were obtained at up to four occasions. Birthweight data were derived from medical records, and birthweight z-scores (BWZs) were specifically calculated using INTERGROWTH-21st study data. Statistical analyses were done with Statistica version 13. Results. Women who used more substances enrolled later, were younger, and had smaller mid-upper arm circumferences (MUACs), less education and lower monthly income than women who used no substances (control group). Infants born to women who used more substances had lower GA at delivery, birthweight and BWZ than infants from the control group. At 1 year, infants born to women who used more substances had a lower weight, shorter length and smaller head circumference. Education was positively associated with all infant outcomes at birth and 1 year. MUAC was positively associated with infant BWZ, and weight and length at 1 year. Income was negatively associated with BWZ, but positively associated with all 1-year outcomes.Conclusion. Substance use during pregnancy affects infant outcomes at birth and 1 year of age. The addictive properties of substance use make cessation difficult, so prevention strategies should be implemented long before pregnancy. Higher maternal education, associated with better infant outcomes at birth and 1 year and acting as a countermeasure to substance use, is of paramount importance.

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Maternal smoking and cannabis use during pregnancy and infant outcomes

Cited by 21 publications

References 26 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

Effect of Perineum Block Anesthesia Combined with Unprotected Perineal Delivery on the Perineal Integrity Rate and Maternal-Infant Outcomes in Primiparas Taking Health Products Containing Traditional Chinese Medicine

The tragedy of smoking, alcohol, and multiple substance use during pregnancy

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