World Prematurity Day, November 17 2014, is a global movement to raise awareness about prematurity highlighting the burden of preterm birth, informing on simple, proven cost-effective solutions, and envoking compassion for families who have experienced preterm birth.
This year marks the fourth World Prematurity Day and activities will also link to Every Newborn, a global effort to improve newborn health and reduce maternal and child mortality.
Every year, an estimated 15 million babies are born preterm (before 37 completed weeks of gestation), and this number is rising.
Preterm birth complications are the leading cause of death among children under 5 years of age, responsible for nearly 1 million deaths in 2013.
Three-quarters of them could be saved with current, cost-effective interventions.
Across 184 countries, the rate of preterm birth ranges from 5% to 18% of babies born.
Overview
Preterm is defined as babies born alive before 37 weeks of pregnancy are completed. There are sub-categories of preterm birth, based on gestational age:
extremely preterm (<28 weeks)
very preterm (28 to <32 weeks)
moderate to late preterm (32 to <37 weeks).
Induction or caesarean birth should not be planned before 39 completed weeks unless medically indicated.
The problem
An estimated 15 million babies are born too early every year. That is more than 1 in 10 babies. Almost 1 million children die each year due to complications of preterm birth. Many survivors face a lifetime of disability, including learning disabilities and visual and hearing problems.
Globally, prematurity is the leading cause of death in children under the age of 5. And in almost all countries with reliable data, preterm birth rates are increasing.
Inequalities in survival rates around the world are stark. In low-income settings, half of the babies born at 32 weeks (two months early) die due to a lack of feasible, cost-effective care, such as warmth, breastfeeding support, and basic care for infections and breathing difficulties. In high-income countries, almost all of these babies survive.
The solution
More than three-quarters of premature babies can be saved with feasible, cost-effective care, e.g. essential care during child birth and in the postnatal period for every mother and baby, antenatal steroid injections (given to pregnant women at risk of preterm labour and meeting set criteria to strengthen the babies’ lungs), kangaroo mother care (the baby is carried by the mother with skin-to-skin contact and frequent breastfeeding) and antibiotics to treat newborn infections.
To reduce preterm birth rates, women need better access to family planning and increased empowerment, as well as improved care before, between and during pregnancies.
Why does preterm birth happen?
Preterm birth occurs for a variety of reasons. Most preterm births happen spontaneously, but some are due to early induction of labour or caesarean birth, whether for medical or non-medical reasons.
Common causes of preterm birth include multiple pregnancies, infections and chronic conditions, such as diabetes and high blood pressure; however, often no cause is identified. There is also a genetic influence. Better understanding of the causes and mechanisms will advance the development of solutions to prevent preterm birth.
Where and when does preterm birth happen?
More than 60% of preterm births occur in Africa and South Asia, but preterm birth is truly a global problem. In the lower-income countries, on average, 12% of babies are born too early compared with 9% in higher-income countries. Within countries, poorer families are at higher risk.
The 10 countries with the greatest number of preterm births:
India: 3 519 100
China: 1 172 300
Nigeria: 773 600
Pakistan: 748 100
Indonesia: 675 700
The United States of America: 517 400
Bangladesh: 424 100
The Philippines: 348 900
The Democratic Republic of the Congo: 341 400
Brazil: 279 300
The 10 countries with the highest rates of preterm birth per 100 live births:
Malawi: 18.1 per 100
Comoros: 16.7
Congo: 16.7
Zimbabwe: 16.6
Equatorial Guinea: 16.5
Mozambique: 16.4
Gabon: 16.3
Pakistan: 15.8
Indonesia: 15.5
Mauritania: 15.4
Of 65 countries with reliable trend data, all but 3 show an increase in preterm birth rates over the past 20 years. Possible reasons for this include better measurement, increases in maternal age and underlying maternal health problems such as diabetes and high blood pressure, greater use of infertility treatments leading to increased rates of multiple pregnancies, and changes in obstetric practices such as more caesarean births before term.
There is a dramatic difference in survival of premature babies depending on where they are born. For example, more than 90% of extremely preterm babies (<28 weeks) born in low-income countries die within the first few days of life; yet less than 10% of babies of this gestation die in high-income settings.
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