BACKGROUND The dramatic increase in multiple births is an important public health issue, since such births have elevated risks for adverse perinatal outcomes. Our objective was to explore the most recent temporal trends in rates of multiple births in Canada and the United States. METHODS Live birth data from Canada (excluding Ontario) and the United States from 1991-2009 were used to calculat...

Few reports provide pregnancy or birth rates for large groups of infertile couples having a comprehensive range of treatments. This model utilizes published evidence about diagnosis, treatment, the duration of treatment and the proportion of couples receiving treatment. Assisted reproduction technology treatment (ART) utilization was set arbitrarily at three levels: 3, 10 or 50% of the couples ...

BACKGROUND Multi-foetal pregnancies and multiple births including twins and higher order multiples births such as triplets and quadruplets are high-risk pregnancy and birth. These high-risk groups contribute to the higher rate of childhood mortality especially during early period of life. METHODS We examined the relationship between multiple births and infant mortality using univariable and m...

BACKGROUND There is a global growing trend of preterm births and a decline trend of fetal deaths. Is there an impact of the decline of fetal mortality on the increase of preterm live births in State of Sao Paulo, Brazil? METHODS The time trends were evaluated by gestational age through exponential regression analysis. Data analyzed included the fetal mortality ratio, proportion of preterm liv...

conclusions smm analysis provides valuable information on obstetric care. this study highlighted the need to improve antenatal care, which would help early identification of high-risk pregnancies. every smm could progress to maternal mortality if is not suspected, diagnosed and managed on its golden time. background investigating severe maternal morbidity/near miss is a newly recognized tool wh...