Americans are gaining weight at an alarming rate, with obesity increasing from 12 percent of the nation's population in 1990 to 23 percent by 2005, according to the Centers for Disease Control and Prevention. Despite an increase ...
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Researchers from New York Medical College and the University of California Davis have for the first time codified age-specific probabilities of live birth after in vitro fertilization (IVF) with frozen eggs. A team of researchers ...
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US teen births have dropped to a record low, but the country still has one of the highest rates among developed nations, the US Centers for Disease Control and Prevention said Thursday.
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The Democratic Republic of Congo has displaced Niger to gain the unenviable distinction of being the worst place in the world to be a mother, according to a new report by Save the Children.
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Some groups of migrant women in Australia are at a higher risk of medical interventions in childbirth that may lead to health problems for the mother or child, a new study has found.
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In a nursery of a private maternity hospital in Athens, three mothers feed their newborns while another three babies nap nearby. The room has only a few cots, and yet a number lie empty.
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(HealthDay)—After five years of leveling off, the U.S. infant mortality rate is finally on the decline again, a new government report shows.
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(HealthDay)—Nearly 20 percent of American teens who give birth have already had one or more babies, a federal study released Tuesday says.
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(Medical Xpress)—A study by University of Alabama at Birmingham (UAB) researchers published April 1, 2013, in the journal Pediatrics showed that increasing numbers of premature and other low birth weight ...
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(Medical Xpress)—The average number of children women have over their lifetimes appears to be rising or to have stopped its decline in many countries characterized by low birth rates in the last decades. ...
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(HealthDay)—Rates of premature death in counties across the United States are the lowest in 20 years, but people in the least healthy counties are more than twice as likely to die early as those in the ...
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Independent maternal demographic factors such as social status, ethnicity and maternal age can predict the likelihood of operative births in the UK, according to a new study published today (20 March) in BJOG: An International Jo ...
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(AP)—The Philippine Supreme Court temporarily halted the implementation of a law that provides state funding for contraceptives, legislation opposed by the dominant Roman Catholic Church but supported by reproductive health ...
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A new research technique, pioneered by Dr. Maria Angela Franceschini, will be published in JoVE (Journal of Visualized Experiments) on March 14th. Researchers at Massachusetts General Hospital and Harvard M ...
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Motor vehicle crashes involving mothers-to-be account for more than half of all New Zealand's foetal deaths due to maternal injury, new University of Otago research reveals.
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Crude birth rate is the nativity or childbirths per 1,000 people per year.
It can be represented by number of childbirths in that year, and p is the current population. This figure is combined with the crude death rate to produce the rate of natural population growth (natural in that it does not take into account net migration).
As of 2007[update], the average birth rate for the whole world is 20.3 per year per 1000 total population, which for a world population of 6.5 billion comes to 134 million babies per year.
Another indicator of fertility that is frequently used is the total fertility rate, which is the average number of children born to each woman over the course of her life. In general, the total fertility rate is a better indicator of (current) fertility rates because unlike the crude birth rate it is not affected by the age distribution of the population.
Fertility rates tend to be higher in less economically developed countries and lower in more economically developed countries.
The birth rate is an item of concern and policy for a number of national governments. Some, including those of Italy and Malaysia, seek to increase the national birth rate using measures such as financial incentives or provision of support services to new mothers. Conversely, others aim to reduce the birth rate. For example, China's One child policy; measures such as improved information about and availability of birth control have achieved similar results in countries such as Iran.
This text uses material from Wikipedia licensed under CC BY-SA
