Duration of labor by gestational week in nulliparous women

Lurie, Samuel; Vinnikov, Yana; Boaz, Mona; Golan, Abraham; Sadan, Oscar

doi:10.3109/14767058.2013.815720

Cited by 1 publication

(1 citation statement)

References 13 publications

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“…The researcher has gestational age recorded in her data set, but she constructs a directed acyclic graph (DAG) . On this basis, she concludes that gestational length may affect labor duration and may be affected by maternal BMI but cannot affect a woman's prepregnancy BMI because it occurs temporally after this exposure variable . Therefore, the researcher concludes that gestational length is a mediator rather than a confounder and should not be controlled.…”

Section: Two Further Methods For Studying Low‐risk Pregnancy and Birthmentioning

confidence: 99%

Further Applications of Advanced Methods to Infer Causes in the Study of Physiologic Childbirth

Snowden¹,

Tilden²

2018

J Midwife Womens Health

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The causal inference framework and related methods have emerged as vital within epidemiology. This framework and associated analytic approaches facilitate the conduct of valid science using observational data. These approaches have helped catalyze knowledge development using existing data and also have addressed questions for which randomized controlled trials are neither feasible nor ethical. The study of normal childbearing processes and women who are medically low risk may benefit from more direct and deliberate engagement with the process of inferring causes and the use of methods appropriate for this undertaking. This article is the second in a series of 3 that review scientific challenges encountered in researching pregnancy, labor, and birth and approaches for addressing them. This article introduces 2 methods for causal inference (g-computation and instrumental variable analysis) to an audience of clinician-scientists, including references with further details. The causal inference framework and associated methods hold promise for generating strong, broadly representative, and actionable science to improve the outcomes of women who are medically low risk and their children.

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Section: Two Further Methods For Studying Low‐risk Pregnancy and Birthmentioning

confidence: 99%

Further Applications of Advanced Methods to Infer Causes in the Study of Physiologic Childbirth

Snowden¹,

Tilden²

2018

J Midwife Womens Health

View full text Add to dashboard Cite

show abstract

Duration of labor by gestational week in nulliparous women

Abstract: Gestational week of pregnancy may alter the duration of labor, specifically, the length of labor increases as gestational week at delivery advances.

Cited by 1 publication

References 13 publications

Further Applications of Advanced Methods to Infer Causes in the Study of Physiologic Childbirth

Further Applications of Advanced Methods to Infer Causes in the Study of Physiologic Childbirth

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