OBJECTIVE: To compare the prospective risk of stillbirth between women with and without a
stillbirth in their first pregnancy. METHODS: We conducted a cohort study using perinatal …

Objective The number of births among women of higher age has been rapidly increasing in
many countries for several decades. While recent epidemiological studies on the impact of …

Advanced maternal age is a risk factor for female infertility, and placental dysfunction is
considered one of the causes of pregnancy complications. We investigated the effects of …

Background Gestational diabetes mellitus (GDM) is defined as impaired glucose tolerance
in pregnancy and without a history of diabetes mellitus. While there are limited metabolomic …

The birth rates among women of advanced maternal age (AMA) have risen over the last two
decades; yet, pregnancies with AMA are considered high-risk and are associated with a …

Objective: To examine the association between timing of antiretroviral treatment (ART)
initiation in HIV-infected women and placental histopathology. Design: A nested substudy in …

Introduction Inflammation is an important cause of placental dysfunction often associated
with pregnancy complications. One well-known cause of inflammation is infection, through …

Aims Advanced maternal age (AMA) is correlated with higher risk of adverse pregnancy
outcomes while the pathophysiology remains unclear. Our study aimed to investigate …

Worldwide, there has been a trend toward later motherhood. Concurrently, the incidence of
subfertility has been on the rise, necessitating conception using assisted reproductive …

Restriction to analysis of births that survive past a specified gestational age (typically 20
weeks gestation) leads to biased exposure-outcome associations. This bias occurs when …