Trisomy 18 at age 21 years
β Scribed by Smith, A. ;Field, B. ;Learoyd, B. M.
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 217 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0148-7299
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## Abstract The aim of this article is evaluate the sonograhic findings in fetuses with trisomy 18 at different gestational ages. The cases were recruited from pregnant women, who underwent to prenatal diagnosis in the period from October 1995 to September 2006. Seventyβone fetuses with trisomy 18
The authors investigated the age of the parents and grandmothers of 262 children with simple trisomy 21. In cases in which the mother was under 30, the mean grandmaternal age was higher than that of the controls. This might mean that some of these cases, being the children of old mothers, began thei