BACKGROUND Although pregnancy is a recognized risk factor for severe influenza infection, the effect of influenza on miscarriages and births remains unclear. We examined the relationship between influenza and birth rates during the 1918 pandemic in the United States, Denmark, Sweden, and Norway. METHODS We compiled monthly birth rates from 1911 through 1930 in 3 Scandinavian countries and the...

BACKGROUND Undernutrition in early life underlies 45% of child deaths globally. Stunting malnutrition (suboptimal linear growth) also has long-term negative effects on childhood development. Linear growth deficits accrue in the first 1000 d of life. Understanding the patterns and timing of linear growth faltering or recovery during this period is critical to inform interventions to improve infa...

in this research a comparative study has been made between case and control groups. the cases were low birth weight newborns (under 2500 gr) and the controls were normal berth weighing 2500 gr or more at birth. four groups of birth weight were considered as follows: very low birth weight, low birth weight, moderately low birth weight and normal. the data were collected over a period of 8 months...

This work focuses on Bangladesh, a country where population is one of the major problem but fertility rates decline in the last few decades sharply. The progression from first to second birth is a crucial component in fertility change; for this reason, the study aims at analyzing the second-birth intensities of Bangladesh. Proportional hazards models have been applied to the 2007 Bangladesh Dem...