This will be a retrospective observational cohort study utilizing the data from the British Columbia Perinatal Data Registry (BCPDR). The BCPDR is a provincially inclusive database that aggregates obstetrics and neonatal variables from all attended births in British Columbia. The primary objective of this study is to evaluate and contrast the average time interval from the first to second birth for patients with recurrent pregnancy loss compared to healthy controls. Secondarily, the investigators will calculate the cumulative live birth rate in the cohort of women with recurrent pregnancy loss who were \</= 35 at age of first birth and delivered between the years 2000-2010. Finally, the investigators will compare the incidence of adverse perinatal outcomes for those with recurrent pregnancy loss and those without. The results of this study will be valuable for clinicians and patients as it will provide information for prognosis counselling. This will also help those desiring more than one child with long term family planning.
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Time between first birth and second birth
Timeframe: Time between first birth and second birth during 2000-2020