OC049: The diagnostic value of early malformation scan at 11 to 13 weeks
نویسندگان
چکیده
منابع مشابه
Screening for fetal aneuploidies at 11 to 13 weeks.
Effective screening for major aneuploidies can be provided in the first trimester of pregnancy. Screening by a combination of fetal nuchal translucency and maternal serum free-β-human chorionic gonadotrophin and pregnancy-associated plasma protein-A can identify about 90% of fetuses with trisomy 21 and other major aneuploidies for a false-positive rate of 5%. Improvement in the performance of f...
متن کاملMaternal thyroid function at 11-13 weeks of gestation.
OBJECTIVE To establish normal ranges of maternal serum thyroid-stimulating hormone (TSH), free thyroxine (FT4) and free triiodothyronine (FT3) at 11-13 weeks of gestation. METHODS Maternal serum concentrations of FT3, FT4, TSH, anti-thyroperoxidase (anti-TPO) and anti-thyroglobulin (anti-Tg) antibodies were measured at 11-13 weeks. Normal ranges were constructed from the data of singleton pre...
متن کاملSonographic screening for trisomy 13 at 11 to 13(+6) weeks of gestation.
OBJECTIVE The purpose of this study was to examine the sonographic features of trisomy 13 at 11 to 13(+6) weeks of gestation. STUDY DESIGN This was a retrospective study that examined the features of trisomy 13 at the ultrasound scan at 11 to 13(+6) weeks of gestation, which in our center is performed for the measurement of crown-rump length, nuchal translucency thickness, and fetal heart rat...
متن کاملContribution of method of conception on pregnancy outcome after the 11-13 weeks scan.
OBJECTIVE To examine the effect of method of conception on adverse pregnancy outcome after the 11-13 weeks scan. METHODS Prospective screening study for adverse obstetric outcomes in women with singleton pregnancies and live fetus with no obvious defects at 11(+0)-13(+6) weeks. The method of conception was recorded as spontaneous, in vitro fertilization (IVF) and assisted by ovulation inducti...
متن کاملFrontomaxillary facial angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks.
OBJECTIVE To investigate the frontomaxillary facial (FMF) angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks of gestation. METHODS A three-dimensional (3D) volume of the fetal head was obtained before karyotyping at 11 + 0 to 13 + 6 weeks of gestation in 23 fetuses with trisomy 13. The FMF angle, defined as the angle between the upper surface of the maxilla and the frontal bone in a m...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2003
ISSN: 0960-7692,1469-0705
DOI: 10.1002/uog.263