Chronobiology International · 2017 · 17 citations · 16 references
MedicineGynecologyObstetricsAssisted Reproductive TechnologiesFertilityIn Vitro FertilizationAssisted Reproductive Technology OutcomesPregnancyCohort Study InvestigationEmbryo Transfer Outcome AssessmentImpactsPregnancy Loss RiskPregnancy Rate Assessment
Transition into daylight savings time (DST) has studied negative impacts on health, but little is known regarding impact on fertility. This retrospective cohort study evaluates DST impact on pregnancy and pregnancy loss rates in 1,654 autologous in vitro fertilization cycles (2009 to 2012). Study groups were identified based on the relationship of DST to embryo transfer. Pregnancy rates were similar in Spring and Fall (41.4%, 42.2%). Pregnancy loss rates were also comparable between Spring and Fall (15.5%, 17.1%), but rates of loss were significantly higher in Spring when DST occurred after embryo transfer (24.3%). Loss was marked in patients with a history of prior spontaneous pregnancy loss (60.5%).
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Influence of past reproductive performance on risk of spontaneous abortion.
L. Regan, Peter Braude, P. L. Trembath · BMJ · 1989 · 422 citations · Full text
The Human Circadian Clock's Seasonal Adjustment Is Disrupted by Daylight Saving Time
Thomas Kantermann, Myriam Juda, Martha Merrow et al. · Current Biology · 2007 · 360 citations · Full text
Diurnal variation in incidence of stroke: Oxfordshire community stroke project.
S. Wroe, Peter Sandercock, John Bamford et al. · BMJ · 1992 · 164 citations · Full text