P47.12: Ease of fetal sex determination after 18 weeks' gestation
نویسندگان
چکیده
منابع مشابه
Fetal sex determination using circulating cell-free fetal DNA (ccffDNA) at 11 to 13 weeks of gestation.
OBJECTIVE To examine the performance of a mass spectrometry-based detection platform using three Y-chromosome sequences for fetal sex determination from circulating cell-free fetal DNA (ccffDNA) in maternal blood in the first trimester of pregnancy. METHODS We extracted ccffDNA for the determination of fetal sex from stored maternal plasma obtained at 11 to 13 weeks' gestation from singleton ...
متن کاملfetal sex determination using non-invasive method of cell-free fetal dna in maternal plasma of pregnant women during 6th– 10th weeks of gestation
in previous years, identification of fetal cells in maternal blood circulation has caused a new revolution in non-invasive method of prenatal diagnosis. low number of fetal cells in maternal blood and long-term survival after pregnancy limited the use of fetal cells in diagnostic and clinical applications. with the discovery of cell-free fetal dna (cffdna) in plasma of pregnant women, access to...
متن کاملMaternal thyroid function at 11-13 weeks of gestation in fetal trisomies 21 and 18.
OBJECTIVE To examine the association between maternal serum levels of thyroid stimulating hormone (TSH) and free β-human chorionic gonadotrophin (free β-hCG) in trisomy 21, trisomy 18 and euploid pregnancies at 11-13 weeks and investigate the potential value of TSH in first-trimester screening for aneuploidies. METHODS Maternal serum TSH and free β-hCG levels at 11-13 weeks in 25 trisomy 21 a...
متن کاملEncephalomalacia in surviving twin after single fetal death diagnosed at 18 weeks of gestation in monochorionic twin pregnancy
PATIENT Female, 28 FINAL DIAGNOSIS: Single intrauterine fetal death Symptoms: - MEDICATION - Clinical Procedure: - Specialty: Obstetrics and Gynecology. OBJECTIVE Rare disease. BACKGROUND Single fetal death in monochorionic twin pregnancy may result in poor perinatal outcome of the surviving twin, including neurologic sequelae, other organ injury, and death. In most reported cases of poor...
متن کاملearly fetal gender determination using real-time pcr analysis of cell-free fetal dna during 6th-10th weeks of gestation.
nowadays, new advances in the use of cell free fetal dna (cffdna) in maternal plasma of pregnant women has provided the possibility of applying cffdna in prenatal diagnosis as a non-invasive method. in contrary to the risks of invasive methods that affect both mother and fetus, applying cffdna is proven to be highly effective with lower risk. one of the applications of prenatal diagnosis is fet...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2007
ISSN: 0960-7692
DOI: 10.1002/uog.5019