Over the past half a century many countries have witnessed a rapid fall in total fertility rates,
particularly in the world's most advanced economies including the industrial powerhouses of …

Abstract Background The Chinese government introduced the maternal health services as
part of the Basic Public Health Service (BPHS) project in 2009. While China has made …

An intense period of human population expansion over the past 250 years is about to cease.
Total fertility rates are falling dramatically all over the world such that highly industrialized …

Objective: Population and its corresponding problems are among multidimensional and
complicated issues of human communities and their related features are the basis for …

Many studies indicate that Total fertility rates (TFR (t)) are negatively correlated with life
expectancies at birth (e0 (t)). We found that complete random-combinations of TFR (t) and …

The focus of this article is on sleep duration and sleep problems in infants and their
association with body weight. A retrospective birth cohort of 519 infants was enrolled in a …

BACKGROUND: One of the most basic life events is fertility or reproduction, which, although
known as a social phenomenon, is a complex and multidimensional concept with economic …

Background: Some women may consider childbirth an unpleasant event, which can
influence their decisions on subsequent pregnancies and type of birth. Objective: The aim of …

After a long decline, fertility in Tunisia, as in some Arab countries like Algeria and Egypt,
recorded an unexpected increasing trend over the 2000–2018 period. To account for such …

Europe has the lowest fertility rate in the world, and 19 European countries are already
experiencing negative population growth. Previous studies have shown that light-dark cycle …