Background: The effect of natural disasters on secondary sex ratio (SSR) and perinatal
outcomes has been suggested. This study aimed to examine effects of the Great East Japan …

Objectives This study examines if there exists a positive association between socioeconomic
status and the proportion of male births in humans, as proposed by Trivers and Willard in …

Introduction: In humans, live male births slightly exceed females and this ratio is
conventionally expressed as male live births divided by total live births (M/F). A wide variety …

The concept of developmental origins of health and disease (DOHaD) describes the
persisting influence of the in utero environment on long-term health outcomes. This …

Introduction Male live births occur slightly in excess of female. This ratio is expressed as M/F.
Terrorist attacks induce stress which transiently lowers M/F three to five months later due to …

Objectives The “dysregulated parturition” narrative posits that the human stress response
includes a cascade of hormones that “dysregulates” and accelerates parturition but provides …

Introduction: Males are usually in excess of females at birth and the ratio is often expressed
as M/F (male divided by total births). Several factors have been shown to be associated with …

Despite substantial research examining effects of macroeconomic conditions on adult health
(1-4), we know little about the impact of the economy on fetal health (5). Understanding this …

What is your journey to well-being? Do you suffer from health issues or a chronic condition?
Do you have ME, CFS, or chronic fatigue? Is stress affecting your well-being? Do you have …