pregnancy

Medical Studies on Melatonin

Circadian rhythm and its association with birth and infant outcomes: research protocol of a prospective cohort study.

2020-02 Kaur S, Teoh AN, Shukri NHM, Shafie SR, Bustami NA, Takahashi M, Lim PJ, Shibata S

Circadian rhythm plays an important role as our internal body's clock that synchronizes behavior and physiology according to the external 24-h light-dark cycle. Past studies have associated disrupted circadian rhythm with higher risk of miscarriages, preterm birth and low birth weights. This paper described the protocol of a prospective cohort study which aims to determine the circadian rhythm in pregnant women, identify its association with maternal factors during pregnancy, gestational weight gain, birth and infant outcomes.

Reduced melatonin synthesis in pregnant night workers: Metabolic implications for offspring.

2019-11 Nehme PA, Amaral F, Lowden A, Skene DJ, Cipolla-Neto J, Moreno CRC

Several novel animal studies have shown that intrauterine metabolic programming can be modified in the event of reduced melatonin synthesis during pregnancy, leading to glucose intolerance and insulin resistance in the offspring. It is therefore postulated that female night workers when pregnant may expose the offspring to unwanted health threats.

Melatonin for prevention of placental malperfusion and fetal compromise associated with intrauterine inflammation-induced oxidative stress in a mouse model.

2019-10 Lee JY, Li S, Shin NE, Na Q, Dong J, Jia B, Jones-Beatty K, McLane MW, Ozen M, Lei J, Burd I

Melatonin has been shown to reduce oxidative stress and mitigate hypercoagulability. We hypothesized that maternally administered melatonin may reduce placental oxidative stress and hypercoagulability associated with exposure to intrauterine inflammation (IUI) and consequently improve fetoplacental blood flow and fetal sequelae.

Pregnancy Induces an Earlier Chronotype in Both Mice and Women.

2019-06 Martin-Fairey CA, Zhao P, Wan L, Roenneberg T, Fay J, Ma X, McCarthy R, Jungheim ES, England SK, Herzog ED

Daily rhythms generated by endogenous circadian mechanisms and synchronized to the light-dark cycle have been implicated in the timing of birth in a wide variety of species. Although chronodisruption (e.g., shift work or clock gene mutations) is associated with poor reproductive outcomes, little is known about circadian timing during pregnancy.

Melatonin improves endothelial function in vitro and prolongs pregnancy in women with early-onset preeclampsia.

2018-10 Hobson SR, Gurusinghe S, Lim R, Alers NO, Miller SL, Kingdom JC, Wallace EM

Preeclampsia remains a leading cause of maternal and perinatal morbidity and mortality. There have been no material advances in the treatment of preeclampsia for nearly 50 years. Combining in vitro studies and a clinical trial, we aimed to determine whether melatonin could be a useful adjuvant therapy.

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