Wednesday, November 25, 2009

Egg




Invitro fertilization, is when an egg is fertilized out side of the womb due to the fact that the individuals are infertile. The process is removing the ovum from the female, and letting the sperm fertilize it in a fluid medium. Then after, the fertilized zygote is transferred from the tube into the females uterus and it is there, that hopefully the zygote goes through a successful pregnancy, The first successful test tube baby was done in the year of 1978. The rates of successful births are, according to a French study estimated that 66% of patients starting IVF treatment finally succeed in having a child (40% during the IVF treatment at the center and 26% after IVF discontinuation). There are risks that come along with such a beautiful miracle. The main risk that comes along with IVF, is multiple births, due to the fact that there are embryo transfers, it could lead to multiple births. Another question individuals have are, what bout birth defects, could such a process affect the babies growth? “In 2008, an analysis of the data of the National Birth Defects Study in the US found that certain birth defects were significantly more common in infants conceived with IVF, notably septal heart defects, cleft lip with or without cleft palate, esophageal atresia, and anorectal atresia; the mechanism of causality is unclear” so maybe it is better that one does not try to bear a child that would come out with difficulties in life. All in all, Invitro fertilization is a choice one has for cases in which you can not bear a child, it is up to the individual if they truly think it is right to do.

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