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the claim

Smoking during pregnancy is harmful to both the mother and child

the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Multiple studies and systematic reviews consistently demonstrate that smoking during pregnancy causes harmful outcomes, including reduced fetal growth, lower birth weights, placental dysfunction, and long-term developmental issues.

The analysis

The retrieved literature contains multiple robust reports, including a clinical study and a recent systematic review (Papers 1, 8, and 11), that consistently validate the well-established scientific consensus that smoking during pregnancy is detrimental to maternal and fetal health. There are no papers refuting this well-established claim.

Evidence for · 4
Recorded source metadata

Dana Best. Secondhand and Prenatal Tobacco Smoke Exposure. 2009. https://doi.org/10.1542/peds.2009-2120

Discusses the harms of tobacco use and secondhand smoke exposure, noting that tobacco exposure causes significant morbidity and mortality.

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More for · 3
Recorded source metadata

Çiğdem Yayla Abide, Ebru Çoğendez, Pınar Kumru, Evrim Bostancı Ergen, Çetin Kılıççı. Relationship Between Smoking Doses and Maternal and Fetal Outcomes of Pregnancy. 2018. https://doi.org/10.16948/zktipb.393346

Shows that maternal smoking during pregnancy is associated with lower birth weights, preeclampsia, premature rupture of membranes, and increased NICU admissions.

Recorded source metadata

Fraile-Martinez O, Rubio-Bedoya N, García-Montero C, Boaru DL, de Castro-Martinez P, Bujan J, López-González L, Díaz-Pedrero R, García-Honduvilla N, Álvarez-Mon M, Saez MA, De León-Luis JA, Bravo C, Ortega MA. Placental Pathophysiology in Maternal Psychoactive Substance Use: Biological, Clinical, and Forensic Perspectives.. 2026. https://doi.org/10.3390/cells15121128

Indicates that tobacco crosses the placental barrier, leading to impaired nutrient and oxygen transfer and increasing the risk of adverse outcomes like intrauterine growth restriction and preterm birth.

Recorded source metadata

Ambildhok K, Asawa K. The Consequences of Prenatal Tobacco Exposure: A Systematic Review of Birth Outcomes and Developmental Trajectories.. 2026. https://doi.org/10.7759/cureus.105888

Demonstrates that prenatal tobacco exposure is consistently associated with reduced fetal growth, low birth weight, and adverse neurodevelopmental and psychiatric outcomes.

The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 8701 Aug 2026
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