It is predicted that Japan and European Union will soon experience appreciable decreases
in their populations due to persistently low total fertility rates (TFR) below replacement level …

Obesity has reached epidemic proportions and pregnancies in obese mothers have
increased risk for complications including gestational diabetes, hypertensive disorders …

In humans, as in most mammals, spermatogenesis is temperature dependent. This
temperature dependence has been clearly demonstrated by several experimental studies …

BACKGROUND: Higher risks of menstrual problems and infertility have been found in
underweight and overweight women but evidence is inconsistent especially in relation to the …

STUDY QUESTION What is the effect of maternal exposure to perfluorooctane sulfonate
(PFOS), perflurooctanoic acid (PFOA) and perfluorohexane sulfonate (PFHxS) on female …

Clinically a couple is considered to be infertile after at least one year without contraception
and without pregnancy (Weinberg and Wilcox 1998; Savitz et al. 2002). This thesis is about …

BACKGROUND Air pollution is both a sensory blight and a threat to human health. Inhaled
environmental pollutants can be naturally occurring or human-made, and include traffic …

Abstract Recently, many studies have found a decrease in semen quality which has
increased the focus on male reproductive health. Occupational hazards are by far the best …

BACKGROUND There is a perception that the prevalence of infertility is on the rise. This
study aimed to determine the current prevalence of infertility in a defined geographical …

Few studies have investigated the association hetween hody mass index and fecundability,
that is, the ability to conceive in a menstrual cycle, among fertile women with normal …