Two-stage ultrasonography in screening for fetal anomalies at 13–14 and 18–22 weeks of gestation
✍ Scribed by Pekka Taipale; Martti Ämmälä; Riitta Salonen; Vilho Hiilesmaa
- Book ID
- 110723747
- Publisher
- Informa plc
- Year
- 2004
- Tongue
- English
- Weight
- 82 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0001-6349
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In a study of 50 cases of trisomy 18 compared with 947 controls we have found the median multiple of the median (MoM) of maternal serum free human chorionic gonadotrophin to be significantly decreased (0.281 MoM) in samples collected between the 10th and 14th week of gestation. Similarly, maternal s
In 42 cases of trisomy 13 at 10±14 weeks of gestation, compared with 947 controls, the median multiple of the median (MoM) of maternal serum free b-human chorionic gonadotrophin (b-hCG) and pregnancy associated plasma protein A (PAPP-A) was signi®cantly decreased (0.506 MoM and 0.248 MoM respectivel