Undescended Testicle : Risk Factors
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Down syndrome is the most common cause of mental retardation and malformation in a newborn. A genetic disorder, it occurs because of the presence of an extra chromosome.
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Down syndrome is a genetic condition in which a person has 47 chromosomes instead of the usual 46.
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Detailed information on trisomy 21, also called Down syndrome, including cause, diagnosis, prevention, and research
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Detailed information on trisomy 21, also called Down syndrome, including cause, diagnosis, prevention, and research
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Detailed information on mosaic Down syndrome, including the chances for it to happen again in a family
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Detailed information on translocation Down syndrome
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Down syndrome is the most common chromosome disorder and genetic cause of mental retardation. It occurs because of the presence of an extra copy of chromosome 21.
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Down syndrome is the most common cause of mental retardation and malformation in a newborn. It occurs because of the presence of an extra chromosome.
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Down syndrome is the most common chromosome disorder and genetic cause of mental retardation. It occurs because of the presence of an extra copy of chromosome 21.
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Also referred to as Down ' s syndrome or Down ' s, a genetic disorder present at birth that is caused by an abnormality in the number of chromosomes. Down syndrome occurs with equal frequency in people of different nationalities, social backgrounds, and economic classes, averaging 1 in about every 600 births.
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Down syndrome is the most common chromosome disorder and genetic cause of mental retardation. It occurs because of the presence of an extra copy of chromosome 21.
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Small for gestational age (SGA) means a fetus or infant is smaller in size than normal for the baby's gender and gestational age.
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Detailed information on small for gestational age, including cause, diagnosis, treatment, and prevention
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Small for gestational age (SGA) describes infants who weigh less than they should given their gestational age (the weeks they have spent in the uterus). SGA infants can be premature, full-term, or post- term; such infants are simply not as large as would be predicted by their maturity.
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Small for gestational age, also known as intrauterine growth retardation, is defined as an infant or fetus smaller in size than expected, meaning a weight in the bottom tenth percentile for a particular age. Small for gestational age is believed to be related to placental insufficiency, infectious disease, congenital malformations, drug and alcohol abuse, and cigarette smoking.
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An infant born with a weight of less than five pounds (2,500 grams) at birth is classified as a low birth weight infant. Babies with low birth weight were either born prematurely or are small for their age because their growth was restricted in the womb.
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Detailed information on low birthweight, including causes, diagnosis, treatment, and prevention
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It’s a myth that being 35 or older means your pregnancy will be high risk. Making the right choices now and working with your health care provider can help your pregnancy be trouble-free.
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A birth that occurs before the 37th week of gestation A birth that occurs before the 37th week of pregnancy is considered premature. Although researchers have long sought a way to prevent premature birth, an estimated 9% of infants are still born prematurely, costing the United States billions of dollars in health care expenditures annually.
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One in eight U.S. babies is preterm, says the Institute of Medicine. That's a rise of 30 percent in recent decades.
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To lower the chance of early births, women who are pregnant with twins typically see their doctors more often.
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