Prenatal screening for fetal abnormalities
US5906944A · kind A · utility
2Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Mar 21, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/76
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is disclosed a method for antenatal screening for an abnormality in a fetus using a bodily fluid, the fluid containing a marker which at one stage of gestation (stage A) the mean or median level) of the marker differs by less than 20% between pregnancies which are affected and unaffected by the abnormality and at another stage of gestation (stage B) differs by more than 50% between such affected and unaffected pregnancies, there being a period of at least 3 weeks between Stage A and Stage B and an apparatus for carrying out the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.