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Embryonic Structure
Health Encyclopedia: Developmental Disorders Of The Vagina And Vulva
Developmental disorders of the vagina and vulva include a variety of structural abnormalities that occur during fetal development.
Causes, incidence, and risk factors
With the union of a sperm and an ovum, an embryo acquires the chromosomes that determine the sex of the fetus (XX=female; XY=male). For the first 6 weeks, the sex of the fetus is not distinguishable.
At about 6 weeks gestation, ovaries begin to develop in those with two X chromosomes, and
Expert & Community Posts
Type 1 progress
By Gretchen Becker , Health Expert...the immature, unspecialized cells found mostly in embryos that are capable of differentiating... Read more »
Testicular Cells Are Good For......
By healthgal , Health ExpertHuman embryo cells, move aside. Testicular cells...here we come. Cells taken from men's testes... Read more »
While We're Talking Choice - What About Embryos?
By Amy Hendel , Health ExpertHalf a million embryos are in storage right now. Whether you know it or not, half of those will... Read more »
A Little Known Documentary: The Accidental Advocate
By Ann Bartlett , Health Expert...Capitol Chapter about tickets to a documentary on embryonic stem cell research called The... Read more »
The World Stem Cell Summit and Stem Cell Medicine 101
By Ann Bartlett , Health Expert...Totipotent stem cells, which are derived from early embryos. These cells are capable of... Read more »
Health Guide
Sex & Your Body
...the genetic material within the two sex cells (egg and sperm) combines. Shortly thereafter the new embryo-to-be begins dividing: one cell becomes two cells. Two becomes four. Four becomes 16. (You... Read more »Type 1 Diabetes: Transplantation Procedures
...patients may require only one donor. Other research is focusing on using stem cells and cells from embryos to produce insulin, but any advances in these areas are years away.Organ... Read more »Infertility In Women: Diagnosis
...genetic diagnosis (PGD) is now available in some centers that can examine all the chromosomes in a human embryo. It helps identify abnormalities that increase the risk for infertility, treatment... Read more »Infertility In Women: Causes
...Clinical Oncologys 2006 guidelines, the fertility preservation method with the best chance of success is embryo cryopreservation. This procedure involves harvesting a womans eggs (oocytes),... Read more »Infertility in Men: Diagnosis
...techniques such as preimplantation genetic diagnosis (PGD) that can examine all the chromosomes in a human embryo and detect defective genes, such as those for cystic fibrosis, at the very... Read more »Images
Related News
You are What Your Mother Eats
May 02, 2008(Ivanhoe Newswire) -- What your mother ate during pregnancy may have helped determine your sex. Particularly, eating more during the time of... Read summary »
The Dos and Don'ts of Eating During Pregnancy
August 04, 2009(Ivanhoe Newswire) ? Mothers' health in the days and weeks prior to conception may determine the offspring's health much later in life, according to... Read summary »
Medical Debate: Is Plan B Abortion?
October 02, 2006NASHVILLE (Ivanhoe Broadcast News) -- Two tiny pills are stirring up a hot debate. Some experts say they could cut abortion rates in half. Others... Read summary »
Brainy Babies
June 10, 2008(Ivanhoe Newswire) -- Studies show up to 20 percent of a child's IQ is influenced by prenatal and postnatal experience. Learn what you and your baby... Read summary »
Anorexia Changes Bone Structure
November 21, 2008(Ivanhoe Newswire) -- New research shows children and teenagers with even mild anorexia can develop abnormal bone structure before they lose bone... Read summary »
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