discordant twins

discordant twins

twins showing a marked difference in size (greater than 10% in weight) at birth. The condition is usually caused by overperfusion of one twin and underperfusion of the other. It is fairly common in identical twins but may also occur in dizygotic twins.
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Discordant twins
References in periodicals archive ?
PPMI; ii) centenarians and their offspring (CO) who never showed clinical signs of motor disability; iii) old twins of the Swedish Twin Registry (STR) followed longitudinally for 45 years, assessed for lifestyle and exposure to toxicants, and where incident and prevalent cases of PD discordant twins have been collected, including brains.
sup][17] The genes that affected by differential methylation between discordant twins also harbor various types of discordant sequence variations that should not be overlooked.
The subject of Parkinson's disease discordant twins gave us an incredible opportunity to utilize stem cell models of disease in a dish to unlock some of the biological mechanisms of disease," said Scott Noggle, vice president, stem cell research.
The discordant twins they studied were pairs in which one twin was more than 400 grams (about 14 ounces) or at least 15 percent heavier at birth than the other.
The study included 50 pairs of discordant twins in which a combat-exposed twin had PTSD, and 50 other twin pairs without it.
It does not tell you whether you have discordant twins or not.
In 1998, the hospital began routine, neonatal, cerebral ultrasound examinations in all birth-weight discordant twins.