David C. Reardon

A History of Pregnancy Loss is a Risk Factor for Severe Maternal Morbidity in a First Live Birth: A Retrospective Cohort Study

David C. Reardon, James Studnicki, Christina A. Cirucci, Donna J. Harrison et autres

Purpose: Severe maternal morbidity (SMM) encompasses life-threatening complications during pregnancy or delivery. Previous studies suggest that a history of pregnancy loss-either spontaneous or induced-may contribute to increased obstetric risk in subsequent delivery, but most analyses have relied on limited clinical samples or …

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First Psychotropic Medication Redemption Is Not a Reliable Measure of Abortion's Mental Health Burden: A Reanalysis and Review of the Methodological Limits and Interpretive Boundaries of Steinberg et al. (2026)

David C. Reardon

Abstract Background: Steinberg et al. (2026) used Danish national registries to examine first psychotropic medication redemptions before and after first-trimester medication and procedural abortions. The study provides a large population-based analysis of treatment initiation, but it excludes many women with prior psychotropic …

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First Psychotropic Medication Redemption Is Not a Reliable Measure of Abortion's Mental Health Burden: A Reanalysis and Review of the Methodological Limits and Interpretive Boundaries of Steinberg et al. (2026)

David C. Reardon

Abstract Background: Steinberg et al. (2026) used Danish national registries to examine first psychotropic medication redemptions before and after first-trimester medication and procedural abortions. The study provides a large population-based analysis of treatment initiation, but it excludes many women with prior psychotropic …

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Finite-Trial Constraints on Abiogenesis: Quantitative Bounds on Replicator Emergence

David C. Reardon

Abstract The origin of life from non-living matter (abiogenesis) remains a central unresolved problem in science. While numerous chemical pathways have been proposed, the key question is not only whether viable self-replicators can form, but whether they can arise within the finite …

Finite-Trial Constraints on Abiogenesis: Quantitative Bounds on Replicator Emergence

David C. Reardon

Abstract The origin of life from non-living matter (abiogenesis) remains a central unresolved problem in science. While numerous chemical pathways have been proposed, the key question is not only whether viable self-replicators can form, but whether they can arise within the finite …

Finite-Trial Constraints on Abiogenesis: Quantitative Bounds on Replicator Emergence

David C. Reardon

Abstract The origin of life from non-living matter (abiogenesis) remains a central unresolved problem in science. While numerous chemical pathways have been proposed, the key question is not only whether viable self-replicators can form, but whether they can arise within the finite …

Identifying underlying factors in risk factors and emotional sequelae self-attributed to abortion: development and validation of a brief assessment tool

David C. Reardon

Risk factors for adverse emotional and psychological reactions to abortion have not been studied for their interactions. This study used factor analytic methods to develop concise screening scales for pre-abortion risk and post-abortion outcomes. A topic-blind electronic survey was administered to a …

Identifying underlying factors in risk factors and emotional sequelae self-attributed to abortion: development and validation of a brief assessment tool

David C. Reardon

Risk factors for adverse emotional and psychological reactions to abortion have not been studied for their interactions. This study used factor analytic methods to develop concise screening scales for pre-abortion risk and post-abortion outcomes. A topic-blind electronic survey was administered to a …

Identifying underlying factors in risk factors and emotional sequelae self-attributed to abortion: development and validation of a brief assessment tool

David C. Reardon

Background Risk factors for adverse emotional and psychological reactions to abortion have not been studied for their interactions. This study used factor analytic methods to develop concise screening scales for pre-abortion risk and post-abortion outcomes.Methods A topic-blind electronic survey was administered to …

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Finite-Trial Constraints on Abiogenesis: Quantitative Bounds on Replicator Emergence

David C. Reardon

Degrees of grief and complicated grief self-attributed to natural and induced pregnancy losses in a national population of 41–45-year-old females

David C. Reardon

BACKGROUND: Pregnancy loss may trigger complicated grief. Self-judgment and pressure to abort contrary to one's preferences may increase the risk and severity of complicated grief reactions. METHOD: A topic-blind survey was offered to a random panel of 41- to 45-year-old American females. …

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Patterns of Prior Induced Abortions and the Likelihood of Subsequent Natural Pregnancy Loss: Exploratory Application of Pregnancy Outcome Sequencing

Francois K. Domagni, Daniel J Tsang, James Studnicki, Jodi Brookins Fisher et autres

BACKGROUND: Research concerning the long-term health consequences of induced abortion is constrained by both the limitations in the availability of data necessary to construct complete reproductive histories, as well as the limitations in the analytical methods necessary to interpret them. OBJECTIVE: This …

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