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  1. Article

    Open Access

    Sleep duration, vital exhaustion, and odds of spontaneous preterm birth: a case–control study

    Preterm birth is a leading cause of perinatal morbidity and mortality worldwide, resulting in a pressing need to identify risk factors leading to effective interventions. Limited evidence suggests potential re...

    Sandhya Kajeepeta, Sixto E Sanchez, Bizu Gelaye in BMC Pregnancy and Childbirth (2014)

  2. Article

    Open Access

    Agreement of self-reported physician diagnosis of migraine with international classification of headache disorders-II migraine diagnostic criteria in a cross-sectional study of pregnant women

    Migraine, a common chronic-intermittent disorder among reproductive age women, has emerged as a novel risk factor for adverse perinatal outcomes. Diagnostic reliability of self-report of physician-diagnosed mi...

    Chunfang Qiu, Michelle A Williams, Sheena K Aurora, B Lee Peterlin in BMC Women's Health (2013)

  3. Article

    Open Access

    Short sleep duration, complaints of vital exhaustion and perceived stress are prevalent among pregnant women with mood and anxiety disorders

    Psychiatric disorders have been associated with sleep disorders in men and non-pregnant women, but little is known about sleep complaints and disorders among pregnant women with psychiatric disorders.

    Chunfang Qiu, Bizu Gelaye, Neway Fida, Michelle A Williams in BMC Pregnancy and Childbirth (2012)

  4. Article

    Open Access

    Sleep duration, vital exhaustion and perceived stress among pregnant migraineurs and non-migraineurs

    Migraine has been associated with sleep disorders in men and non-pregnant women, but little is known about sleep complaints among pregnant migraineurs.

    Michelle A Williams, Sheena K Aurora, Ihunnaya O Frederick in BMC Pregnancy and Childbirth (2010)

  5. Article

    Open Access

    Glucose intolerance and gestational diabetes risk in relation to sleep duration and snoring during pregnancy: a pilot study

    Insufficient sleep and poor sleep quality, considered endemic in modern society, are associated with obesity, impaired glucose tolerance and diabetes. Little, however, is known about the consequences of insuff...

    Chunfang Qiu, Daniel Enquobahrie, Ihunnaya O Frederick, Dejene Abetew in BMC Women's Health (2010)

  6. Article

    Open Access

    Early pregnancy peripheral blood gene expression and risk of preterm delivery: a nested case control study

    Preterm delivery (PTD) is a significant public health problem associated with greater risk of mortality and morbidity in infants and mothers. Pathophysiologic processes that may lead to PTD start early in preg...

    Daniel A Enquobahrie, Michelle A Williams, Chunfang Qiu in BMC Pregnancy and Childbirth (2009)

  7. Article

    Open Access

    Associations of depression and depressive symptoms with preeclampsia: results from a Peruvian case-control study

    Preeclampsia involves endothelial dysfunction, platelet dysfunction/activation and sympathetic over-activity similar to cardiovascular disorders (CVD). Depression, an independent risk factor for progression of...

    Chunfang Qiu, Sixto E Sanchez, Nelly Lam, Pedro Garcia in BMC Women's Health (2007)

  8. No Access

    Article

    Erythrocyte omega-3 and omega-6 polyunsaturated fatty acids and preeclampsia risk in Peruvian women

    Objective: This case–control study was conducted in Lima, Peru, from June 1997 through January 1998 to assess whether alteration in maternal erythrocyte omega-3 (n-3) and omega-6 (n-6) fa...

    Chunfang Qiu, Sixto E. Sanchez, Gloria Larrabure in Archives of Gynecology and Obstetrics (2006)