Lily Shek-Yun Lee

Learn More
OBJECTIVE To review the clinical aspects of postpartum hemorrhage (PPH) and provide guidelines to assist clinicians in the prevention and management of PPH. These guidelines are an update from the previous Society of Obstetricians and Gynaecologists of Canada (SOGC) clinical practice guideline on PPH, published in April 2000. EVIDENCE Medline, PubMed, the(More)
OBJECTIVE Increases in atonic postpartum haemorrhage (PPH) have been reported from several countries in recent years. We attempted to determine the potential cause of the increase in atonic and severe atonic PPH. DESIGN Population-based retrospective cohort study. SETTING British Columbia, Canada, 2001-2009. POPULATION All women with live births or(More)
BACKGROUND Postpartum hemorrhage, a major cause of maternal death and severe maternal morbidity, increased in frequency in Canada between 1991 and 2004. We carried out a study to describe the epidemiology of postpartum hemorrhage in British Columbia, Canada, between 2000 and 2009. METHODS The study population included all women residents of British(More)
OBJECTIVE To determine the groups within the obstetric population contributing most substantially to the Caesarean section rate in five Canadian provinces. METHODS Hospital births from five participating provinces were grouped into Robson's 10 mutually exclusive and totally inclusive classification categories. The relative contribution of each group to(More)
BACKGROUND Overweight and obese women are known to be at increased risk of caesarean birth. This study estimates the contribution of prepregnancy body mass index (BMI) and gestational weight gain (GWG) to caesarean births in Canada. METHODS We analyzed data from women in the Canadian Maternity Experiences Survey who had a singleton term live birth in(More)
BACKGROUND Low or high prepregnancy body mass index (BMI) and inadequate or excess gestational weight gain (GWG) are associated with adverse neonatal outcomes. This study estimates the contribution of these risk factors to preterm births (PTBs), small-for-gestational age (SGA) and large-for-gestational age (LGA) births in Canada compared to the contribution(More)
BACKGROUND The British Columbia Perinatal Data Registry (BCPDR) contains individual-level obstetrical and neonatal medical chart data for virtually all births occurring in British Columbia, Canada. The objective of this study was to assess the validity of information in the BCPDR by performing a provincial chart re-abstraction study. METHODS A two-stage(More)
To identify maternal, care provider, and institutional-level risk factors for early term (37-38 weeks) elective repeat cesarean delivery in a population-based cohort. Retrospective cohort study of women in the British Columbia (BC) Perinatal Data Registry, BC, Canada, 2008-2011, with an elective repeat cesarean delivery at term. Absolute percent differences(More)
this document reflects emerging clinical and scientific advances on the date issued and is subject to change. the information should not be construed as dictating an exclusive course of treatment or procedure to be followed. local institutions can dictate amendments to these opinions. they should be well documented if modified at the local level. none of(More)
  • 1