Association of maternal age with severe maternal morbidity and mortality in Canada

K Aoyama, R Pinto, JG Ray, AD Hill… - JAMA network …, 2019 - jamanetwork.com
Importance Over the past 2 decades, there has been a trend toward increasing maternal age
in many high-income countries. Maternal age may lead to greater attendant morbidity and …

Long‐term cardiovascular outcomes after pregnancy in women with heart disease

SC Siu, DS Lee, M Rashid, J Fang… - Journal of the …, 2021 - Am Heart Assoc
Background Women with heart disease are at risk for pregnancy complications, but their
long‐term cardiovascular outcomes after pregnancy are not known. Methods and Results …

Short-term adverse outcomes after mifepristone–misoprostol versus procedural induced abortion: a population-based propensity-weighted study

N Liu, JG Ray - Annals of Internal Medicine, 2023 - acpjournals.org
Background: Prior studies comparing first-trimester pharmaceutical induced abortion (IA)
with procedural IA were prone to selection bias, were underpowered to assess serious …

Intergenerational teen pregnancy: a population‐based cohort study

N Liu, SN Vigod, MM Farrugia… - … Journal of Obstetrics …, 2018 - Wiley Online Library
Objective To estimate the intergenerational association in teenage pregnancy, and whether
there is a coupling tendency between a mother and daughter in how their teen pregnancies …

New Hypertension After Pregnancy in Patients With Heart Disease

SC Siu, DS Lee, J Fang, PC Austin… - Journal of the …, 2023 - Am Heart Assoc
Background After pregnancy, patients with preexisting heart disease are at high risk for
cardiovascular complications. The primary objective was to compare the incidence of new …

Preventive health care among children of women with schizophrenia: a population-based cohort study

CL Taylor, HK Brown, NR Saunders… - The Journal of …, 2023 - psychiatrist.com
Objective: To compare well-baby visit and vaccination schedule adherence up to age 24
months in children of mothers with versus without schizophrenia. Methods: Using …

Venous thromboembolism after induced abortion: a population-based, propensity-score-matched cohort study in Canada

N Liu, SN Vigod, MM Farrugia, ML Urquia… - The Lancet …, 2018 - thelancet.com
Background A woman's risk of venous thromboembolism during pregnancy is estimated to
be two-to-six times higher than her risk when she is not pregnant. Such risk estimates are …

Temporal Variations in Incidence andOutcomes of Critical Illness Among Pregnant and Postpartum Women inCanada: A Population-Based Observational Study

K Aoyama, JG Ray, R Pinto, A Hill, DC Scales… - Journal of Obstetrics and …, 2019 - Elsevier
Objective Pregnancy-associated morbidity results in hundreds of thousands of deaths
annually worldwide. Reducing maternal mortality is a key United Nations Millennium …

Physician procedure volume and related adverse events after surgically induced abortion: a population-based cohort study

N Liu, SN Vigod, MM Farrugia, ML Urquia, JG Ray - CMAJ, 2019 - Can Med Assoc
BACKGROUND: Induced abortion is a common procedure performed by physicians with
varying degrees of clinical experience. We aimed to determine whether a physician's …

Morbidity in pregnant women with a prosthetic heart valve

SC Siu, M Lam, B Le, P Garg, CK Silversides… - American Journal of …, 2020 - Elsevier
Background Women with a prosthetic heart valve are perceived to be at higher risk for
adverse outcomes, but their absolute and relative risk of experiencing maternal morbidity …