Chances of having a baby with down syndrome at age 40 70,can you still get pregnant standing up,fertility drugs otc - Plans Download

25.02.2014


Many parents-to-be worry that their developing baby may have Down syndrome or some other chromosomal abnormality. Screening tests use blood samples and ultrasound measurements to assess your baby's chances of having certain chromosomal problems, including Down syndrome.
Testing during pregnancy to detect Down Syndrome can be done, however there is the ethical issue of whether such a pregnancy should be terminated; it has been found that over 90% of such pregnancies are in fact terminated. When a man over 40 years of age has a child with a woman who is 35 years or more, the risk of Down syndrome increases significantly. If a woman has had more than four previous babies, the risk of Down syndrome is seen to increase slightly. Smoking is seen to considerably up the chances of a woman having a baby with Down syndrome and the combination of oral contraceptives and smoking seems to increase that risk further. The Howard Hughes Medical Institute researchers have developed a new prenata blood test that accurately detected Down Syndrome and two other serious chromosomal defect in a small study of 18 Pregnant wome.


They aren't invasive, so they don't pose any risk to you or your baby.Screening tests can't tell you if your child actually has Down syndrome. Most people have 46 chromosomes in each cell, with one set of 23 coming from the mother's egg and the other set from the father's sperm.Biological errors can happen during the early stages of cell division, causing abnormalities in the chromosomes.
However an older father when the mother is under 35 years was found not to increase the risk. The results can help you decide whether to have invasive diagnostic testing to find out for sure about your baby's condition. (Citation 6)What can a screening test tell me?
Instead, they provide you with a ratio that expresses your baby's chances of having a problem, based on your test results and how old you are. This information may help you decide whether to undergo diagnostic testing.Diagnostic tests such as chorionic villus sampling (CVS) and amniocentesis can tell you with greater than 99 percent certainty whether your child has a chromosomal abnormality. But with certain chromosomal abnormalities, the baby may survive and be born with developmental problems and birth defects that can range from mild to severe.Down syndrome, also known as trisomy 21, occurs when a baby has an extra copy of chromosome 21 in some or all of his cells.


These tests can identify several hundred genetic disorders by analyzing the genetic makeup of cells from your baby or placenta.
Down syndrome is the most common chromosomal abnormality babies can be born with.Other chromosomal problems that babies can be born with include trisomy 18 and trisomy 13. These abnormalities are almost always associated with profound mental retardation and other congenital malformations.
If they survive to birth, these babies rarely live more than a few months.Anyone can have a baby with a chromosomal abnormality, but the risk rises with the mother's age.
For example, your likelihood of carrying a baby with Down syndrome ranges from about 1 in 1295 at age 20 to about 1 in 82 at age 40.



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