First-trimester ultrasound screening for fetal aneuploidies in women over 35 and under 35 years of age
نویسندگان
چکیده
منابع مشابه
screening of fetal chromosome aneuploidies in the first and second trimester of 125,170 iranian pregnant women
background : aneuploidy is one of the main causes of congenital anomalies, mental and physical disabilities, in new-borns. the aim of this study was to determine various chromosomal aneuploidies in the first and second trimester screening of pregnant women, in iran. methods : a descriptive retrospective study was conducted on 125,170 pregnant women referred to a major referral medical diagnosti...
متن کاملcomparison of the prevalence and the causes of unwanted pregnancy in women under 35 versus over 35 years
objective: the aim of this study is to compare the incidence of unwanted pregnancies in women under 35 and those over 35 years, compare the results with the previous data, and also to determine the causes of unwanted pregnancies in these women materials and methods: this cross-sectional study (descriptive - analysis) is performed on 400 pregnant women who had referred to the laboratories of shi...
متن کاملThe Effect of Preimplantation Genetic Screening on Implantation Rate in Women over 35 Years of Age
OBJECTIVE Advanced maternal age (AMA) is an important factor in decreasing success of assisted reproductive technology by having a negative effect on the success rate of intra-cytoplasmic sperm injection (ICSI), particularly by increasing the rate of embryo aneuploidy. It has been suggested that the transfer of euploid embryos increases the implantation and pregnancy rates, and decreases the ab...
متن کاملScreening of Fetal Chromosome Aneuploidies in the First and Second Trimester of 125,170 Iranian Pregnant Women
BACKGROUND Aneuploidy is one of the main causes of congenital anomalies, mental and physical disabilities, in newborns. The aim of this study was to determine various chromosomal aneuploidies in the first and second trimester screening of pregnant women, in Iran. METHODS A descriptive retrospective study was conducted on 125,170 pregnant women referred to a major referral medical diagnostic l...
متن کاملFirst-trimester Down syndrome screening in women younger than 35 years old and cost-effectiveness analysis in Taiwan population.
OBJECTIVES Outcome of the first-trimester Down syndrome screening in younger population was less reported before. We present the outcome of this screening in Taiwanese women younger than 35 years old. We also test whether or not the first-trimester Down syndrome screening of women <35 years of age and women >35 years old routinely receiving amniocentesis is cost-effective compared with all preg...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 1995
ISSN: 0960-7692
DOI: 10.1046/j.1469-0705.1995.05030161.x