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Readable research linked to original sources
Browse normalized, publication-ready research with direct links to its evidence and source.
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Readable research linked to original sources
Browse normalized, publication-ready research with direct links to its evidence and source.
50 articles
Newest firstIntroduction Prenatal substance exposure is an increasing problem that has been linked to multiple neurodevelopmental impairments and alterations to brain functional connectivity. Methods Behavioral scores and functional network correlation data were obtained from the Adolescent Brain Cognitive DevelopmentSM (ABCD) Study. First, behavioral scores based on the child behavioral checklist were tested for associations…
Open article record in new tab ↗Prenatal tobacco (PTE) and tobacco cannabis co-exposure (PTCE) are associated with higher risk for child externalizing problems. However, developmental mechanisms for the PTE association and the PTCE related associations are poorly understood. We tested multiple mechanistic developmental pathways (emotion regulation, temperament, maternal negative mood, and continued postnatal tobacco exposure) from PTE and PTCE t…
Open article record in new tab ↗Background Few studies have examined the intergenerational impact of maternal childhood maltreatment (MCM) in the context of prenatal substance exposure (PSE). This study investigates whether PSE is part of the pathway of MCM or an independent risk factor affecting offspring psychopathology. Methods Participants were 284 birth mother-child (44% male) dyads, primarily Black, low-income, enrolled at birth. Exposure…
Objectives Cannabis legalization has triggered an increase in prenatal cannabis use. Given that tobacco is commonly co-used with cannabis, determining outcomes associated with prenatal cannabis and tobacco co-exposure is crucial. While literature exists regarding the individual effects of prenatal cannabis and tobacco exposure on childhood behaviour, there is a gap regarding their combined use, which may have inte…
Open article record in new tab ↗Maternal cannabis use in pregnancy is reported to be associated with perinatal and neurodevelopmental outcomes in offspring. Such associations, however, may be biased by residual confounding by socioeconomic position (SEP). To assess confounding, we use paternal cannabis use in pregnancy as a negative control exposure. We use data from 15,013 mother-father-child trios from the ALSPAC birth cohort, with participant…
Open article record in new tab ↗Prenatal cannabis exposure (PCE) has been associated with altered prefrontal cortex (PFC) activity and connectivity in adulthood, potentially increasing the risk of psychopathology later in life. This risk is thought to involve a complex interplay between the endocannabinoid and dopaminergic systems. We investigated the transcriptional regulation of genes associated with these systems in an animal model of PCE dur…
Cannabis is the most frequently used illicit drug during pregnancy, with use steadily increasing in the United States as legalization and decriminalization expand to more states. Many pregnant individuals use cannabis to reduce adverse symptoms of pregnancy, considering it to be less harmful than other pharmaceuticals or alcohol. The primary psychoactive component of cannabis, delta-9-tetrahydrocannabinol (THC), i…
Background Cannabis use during pregnancy is becoming more prevalent. While numerous studies have explored the relationship of cannabis use during pregnancy and outcomes for mothers and infants, uncertainty remains regarding the impact of cannabis use on pregnancy complications and later-life outcomes for offspring. Aims To produce a summary of the short and long-term effects of prenatal cannabis exposure on fetal…
Background The use of cannabis during pregnancy is rising following its widespread legalization. Cannabidiol (CBD) is gaining popularity due to the public perception that it is safer than the psychoactive cannabis component Δ9-tetrahydrocannabinol (THC). However, while evidence underpins the harm of THC and cannabis smoke on fetal development, there is minimal research on the safety of CBD and oral cannabis. The c…
Background To investigate the association between prenatal illicit substance exposure and infant mortality, addressing the unclear links between specific and multiple substances and increased mortality. Methods This 16-year retrospective cohort study used Taiwan's National Health Insurance Research Database, the Taiwan Maternal and Child Health dataset, and the Integrated Illegal Drug Database, including 1 937 301…
Prenatal ethanol exposure (PEE) alters fetal brain development, potentially increasing the risk of neurodegenerative diseases such as Alzheimer's disease (AD) later in life. Although glial activation is implicated in AD pathology via cannabinoid and neuroinflammatory signaling, its potential response to PEE in the developing brain and its contribution to AD pathogenesis remain unknown. Using 3×Tg-AD offspring of b…
In brief This review article summarizes the effects of pre- or peri-conceptual exposure to cannabinoids on female and male reproductive function, along with pregnancy outcomes from 2014 to 2024. In particular, it addresses the gaps in knowledge regarding the specific contributions of the major constituents of cannabis, THC and CBD, on reproduction. Abstract With increased use of cannabis worldwide, especially in o…
Open article record in new tab ↗Prenatal exposure to alcohol and tobacco has been associated with child regulatory abilities and problems, but less is known about the associations with cannabis exposure. This review seeks to address this gap primarily focusing on the effects of maternal cannabis use on the child. Thus, we investigate the association between pre- and postnatal cannabis exposure of the child and regulatory abilities and problems,…
Prenatal cannabis exposure (PCE) is of increasing concern globally, due to the potential impact on offspring neurodevelopment, and its association with childhood and adolescent brain development and cognitive function. However, there is currently a lack of research addressing the molecular impact of PCE, that may help to clarify the association between PCE and neurodevelopment. To address this knowledge gap, here…
Background Previously conducted studies have observed an increased risk of adverse maternal and neonatal outcomes with prenatal exposure to cocaine and opioids. However, these studies used drug-free reference groups which did not efficiently control for confounders associated with polysubstance use in pregnancy. Thus, we conducted an observational study to compare the risk of adverse obstetrical and neonatal outco…
Cannabis use in pregnancy is associated with low birthweight outcomes. Recent preclinical data suggests that maternal Δ9-tetrahydrocannabinol (THC) exposure leads to decreases in birthweight followed by early cardiac deficits in offspring. Currently, no studies have explored an intervention for these maternal THC-induced deficits. Omega-3 fatty acids have been shown to exhibit cardioprotective effects. In this pre…
Background Prenatal exposure to cannabis (or more specifically, delta 9-tetrahydrocannabinol [Δ9-THC]) has been consistently linked to low birthweight. Animal models further show that Δ9-THC is associated with rapid postnatal growth. Whether this association is modified by breastfeeding is unknown. Methods In this exploratory study, we followed 128 mother-child pairs through 3 years. Urinary Δ9-THC and cannabidiol…
The use of cannabis during pregnancy has emerged as a mounting cause for concern due to its potential adverse consequences on both the mother and her offspring. This review will focus on the dangers associated with prenatal exposure to cannabis, particularly those related to neurodevelopment. It will also discuss the features of maternal and placental functioning that are likely to have long-term effects on the of…
Purpose of review To consolidate information on the obesogenic and cardiometabolic effects of prenatal exposure to cannabis. Recent findings A PubMed search strategy updated from January 1, 2014, through 14 June 2023, produced a total of 47 epidemiologic studies and 12 animal studies. Prenatal exposure to cannabis is consistently associated with small for gestational age and low birth weight. After birth, these of…
Open article record in new tab ↗Objective To investigate the association between prenatal cannabis use and perinatal outcomes using longitudinal data from pregnant individuals. Study design This secondary-data analysis study utilized data collected from 894 pregnant individuals followed in the Stress in Pregnancy longitudinal study, conducted between 2009 and 2013. The status of cannabis use was ascertained through interviews and electronic medi…
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