amniotic sac

(redirected from Diamniotic)
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Related to Diamniotic: Dizygotic twins
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Synonyms for amniotic sac

thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

References in periodicals archive ?
We found significant correlations between S100B in amniotic fluid and gestational age in both monoamniotic/ diamniotic twins (r = 0.
Our findings showing a higher (approximately double) concentration of S100B in amniotic fluid in physiologic monoamniotic pregnancies than in diamniotic twin or singleton pregnancies appear interesting.
Approximately 1 in 23 uncomplicated monochorionic diamniotic twin pregnancies could be at risk for late fetal death, an observational study has shown.
Barigye and colleagues audited the outcomes of 151 uncomplicated monochorionic diamniotic (MCDA) twin pregnancies seen by the hospital's fetal medicine service over a 12-year period.
Their multiple gestations are at lower risk for some complications because they tend to be diplacental, dichorionic, and diamniotic.
For example, mortality rates increase from 9% in dichorionic/ diamniotic twins to 25% in monochorionic/diamniotic twins and to 50% in monochorionic/ monoamniotic twins.