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 report presents several key demographic and maternal and infant health indicators using 2016 final birth data. Trends in the general fertility rate (the number of births per 1,000 women aged 15–44), age-specific birth rates, cesarean delivery, preterm, and triplet and higher-order multiple birth rates are presented by age of mother. For each indicator, data for 2016 are compared with 2015,...

In a context where 46 countries now consider their fertility rate to be too low, attention is turning to the need for policy actions to increase fertility rates. This article discusses the reasons why action is required and why countries have been slow to take policy action. It then considers a wide range of possible policies and assesses them against a set of eleven social policy principles. T...

OBJECTIVES This article examines the effect of abortion legalization on fertility rates in the United States. METHODS Fertility rates were compared over time between states that varied in the timing of abortion legalization. RESULTS States legalizing abortion experienced a 4% decline in fertility relative to states where the legal status of abortion was unchanged. The relative reductions in...

background and purpose: birth outcomes and fertility measures are commonly evaluated in maternal and child health integrated program (mchip) in the field of public health. given the key role of time- trend study in the projection of current data to the future, this population-based study aimed to describe the significant changes of birth outcomes and fertility measures in the rural population o...

background: we sought to determine the association between factors that affected clinical pregnancy and live birth rates in patients who underwent in vitro fertilization (ivf) and received intracytoplasmic sperm injection (icsi) and/or laser assisted hatching (lah), or neither. materials and methods: in this retrospective cohort study, the records of women who underwent ivf with or without icsi...