Results 11 to 20 of about 127,093 (139)

First-trimester or second-trimester screening, or both, for Down's syndrome [PDF]

open access: yes, 2005
BACKGROUND: It is uncertain how best to screen pregnant women for the presence of fetal Down's syndrome: to perform first-trimester screening, to perform second-trimester screening, or to use strategies incorporating measurements in both trimesters ...
Ball, RH   +20 more
core   +1 more source

Adhesive and degradative properties of human placental cytotrophoblast cells in vitro. [PDF]

open access: yes, 1989
Human fetal development depends on the embryo rapidly gaining access to the maternal circulation. The trophoblast cells that form the fetal portion of the human placenta have solved this problem by transiently exhibiting certain tumor-like properties ...
Cui, TY   +7 more
core   +3 more sources

Different Time Schedules of Mifepristone and Misoprostol in Second Trimester Medical Abortion: A Comparative Study [PDF]

open access: yesJournal of Midwifery & Reproductive Health, 2017
Background & aim: Recently, the use of mifepristone followed by misoprostol after 36-48 h has been demonstrated to be an effective and safe method for the second trimester medical abortion.
Nalini Sharma, Ahanthem Santa Singh
doaj   +1 more source

Increased dietary protein in the second trimester of gestation increases live weight gain and carcass composition in weaner calves to 6 months of age [PDF]

open access: yes, 2017
Genetically similar nulliparous Polled Hereford heifers from a closed pedigree herd were used to evaluate the effects of dietary protein during the first and second trimester of gestation upon fetal, placental and postnatal growth.
Baur   +55 more
core   +2 more sources

First- and Second-trimester Down Syndrome Screening: Current Strategies and Clinical Guidelines

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2008
Down syndrome (DS) is the most common human disease caused by a structural chromosome defect. The original screening test for DS was maternal age or a history of a previously affected infant.
Sheng-Wen Shaw   +6 more
doaj   +1 more source

Medical Genetic Counseling Of Women With Congenital Heart Diseases Of Fetus [PDF]

open access: yes, 2019
Aim of the work. Determine the effectiveness of prenatal diagnosis of congenital heart defects in the fetus and the informativeness of different markers used in the medical-genetic counseling of pregnant women..Materials and methods.
Helner, N. (Nadiya)   +3 more
core   +3 more sources

Evaluation of Lipid Profile in Second and Third Trimester of Pregnancy [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Introduction: There is a change in energy usage along with accumulation of fat during different trimesters of pregnancy. Lipid physiology and pathophysiology during pregnancy has not been studied extensively in large population-based cohorts. Aim: To
Raghuram Pusukuru   +6 more
doaj   +1 more source

Second trimester diagnosis of imperforate anus

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2015
Imperforate anus or anorectal atresia is often associated with major fetal structural defects but it may also be an isolated abnormality. Prenatal diagnosis is difficult but may be assisted by ultrasound detection of enterolithiasis in dilated bowel and ...
H. El Mhabrech   +4 more
doaj   +1 more source

Reliability of Early Fetal Echocardiography for Congenital Heart Disease Detection: A Preliminary Experience and Outcome Analysis of 102 Fetuses to Demonstrate the Value of a Clinical Flow-Chart Designed for At-Risk Pregnancy Management [PDF]

open access: yes, 2016
Early fetal echocardiography (EFEC) is a fetal cardiac ultrasound analysis performed between the 12th and 16th week of pregnancy (compared with the usual 18-22 weeks).
Abed, M.m.   +8 more
core   +1 more source

Second-Trimester Diagnosis of Triploidy: A Series of Four Cases

open access: yesAmerican Journal of Perinatology Reports, 2013
Triploidy occurs in 2 to 3% of conceptuses and accounts for approximately 20% of chromosomally abnormal first-trimester miscarriages. As such, triploidy is estimated to occur in 1 of 3,500 pregnancies at 12 weeks', 1 in 30,000 at 16 weeks', and 1 in 250 ...
J. B. Wick   +3 more
doaj   +1 more source

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