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Parasitic Twins
By: Corinne DeRuiter
| Published: Aug 16, 2011
Parasitic twins, a specific type of conjoined twins, occurs when one twin ceases development during gestation and becomes vestigial to the fully…
Twins, ConjoinedReproductionFetusCongenital DisordersHuman Development
Neural Tube Defects (NTD): Folic Acid and Pregnancy
By: Tristan Cooper-Roth
| Published: Oct 20, 2010
In the US, one in 1000 births is affected by neural tube defects (NTD). A neural tube defect is a birth defect involving the malformation of body…
Neural Tube DefectsReproductionCongenital DisordersHuman Development
Trisomy 18 (Edwards Syndrome)
By: Mark Zhang
| Published: Aug 16, 2011
John Hilton Edwards first described the symptoms of the genetic disorder known as Trisomy 18 - one of the most common forms of trisomy, which occurs…
TrisomyFetusCongenital DisordersHuman Development