Maternity Center | Search results for "zygosity"

Among dichorionic triplet pregnancies that were spontaneously conceived, 30 were monozygotic and 70 percent were dizygotic. Among those that were trichorionic, 20 percent were dizygotic and 80 percent trizygotic. ...

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BACKGROUND: In studies of twin and triplet , molecular genetic techniques have rarely been used to confirm zygosity yet this is the most accurate approach. The aim of this study was to present the cross-distribution of ...

Tags: zygosity, pregnancies, triplet, approach, accurate

View the full Interactive Tutorial at:http://www.phgfoundation.org/tutorials/twinAdoption/3.htmlPublication bias is an issue to flirt with when discussing any published research. Publication bias arises from the tendency of researchers and editors to publish studies with positive findings up those with negative findings. Published and adoption studies may not be truly representative of all valid studies undertaken. It is salient to recognize that publication bias is not a disadvantage of the study design itself but rather the reviewers assessment of research and its publication conceivable.Advantages and disadvantages of twin studiesAlthough that is a relatively inexpensive, uncomplicated way of study to fulfill, identifying suitable sets of twins is not always easily completed. The zygosity of twins is not normally recorded on birth certificates or in medical records. In multifold cases genetic tests will be needed to confirm a particular twin pairs zygosity. Studies are together with thinkable to be based on petty numbers of twins. Twin studies may not be applicable to the rest of the population as twins are at greater risk of complications all onward pregnancy and shortly after birth compared with singletons. These studies are further complicated by the fact that twins are more predisposed to share the similarly environment than further siblings and monozygotic twins are known to share their environment to a greater extent than dizygotic twins. Author: PHGFoundation Keywords: phgfoundation interactive tutorials twin adoption studies Added: October 8, 2008

Tags: twin, studies, publication, bias, phgfoundation

In studies of twin and triplet pregnancies , molecular genetic techniques have rarely been used to confirm zygosity yet this is the most accurate approach. The aim of this study was to present the cross-distribution of chorionicity and ...

Tags: zygosity, triplet, pregnancies, chorionicity, aim

View the full Interactive Tutorial at:http://www.phgfoundation.org/tutorials/twinAdoption/3.htmlPublication bias is an issue to speculate when discussing any published research. Publication bias arises from the tendency of researchers and editors to publish studies with positive findings completed those with negative findings. Published twin and adoption studies may not be truly representative of all valid studies undertaken. It is foremost to recognize that publication bias is not a disadvantage of the study design itself but rather the reviewers assessment of research and its publication undeveloped.Advantages and disadvantages of twin studiesAlthough that is a relatively inexpensive, uncomplicated cast of study to implement, identifying suitable sets of twins is not always manifest. The zygosity of twins is not normally recorded on birth certificates or in medical records. In numerous cases genetic tests will be needed to confirm a particular twin pairs zygosity. Studies are reiteratively anticipated to be based on petite numbers of twins. Twin studies may not be applicable to the rest of the population as twins are at greater risk of complications all forth pregnancy and shortly after birth compared with singletons. These studies are to boot complicated by the fact that twins are more believable to share the carbon environment than fresh siblings and monozygotic twins are known to share their environment to a greater extent than dizygotic twins. Author: PHGFoundation Keywords: phgfoundation interactive tutorials twin adoption studies Added: October 8, 2008

Tags: twin, studies, publication, bias, phgfoundation