الفهرس 
Fetal Growth and Development
Ultrasound in the First TrimesterOnly 14 pages are availabe for public view
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Abstract
Summary
The yolk sac is the first anatomical structure identified
ultrasonographically within the gestational sac and acts as the primary
route of exchange between the human embryo and the mother before
the placental circulation is established. The aim of this study is to
determine whether yolk sacs with an abnormal sonsgraphic appearance
in pregnancies at 5-10 weeks gestation, are associated with adverse
pregnancy outcome.
The aim of this study is to determine whether yolk sacs with an
abnormal sonsgraphic appearance in pregnancies at 5-10 weeks
gestation, are associated with adverse pregnancy outcome.
The study was a prospective, observational, analytic study was
conducted on (100) pregnant women who are between 5-10 weeks of
gestation in the department of Obstetrics & Gynecology, University
Hospitals of Tanta.
Inclusion criteria: Pregnant women who were between 18-30 years
old and were between 5-10 weeks of gestation.
Exclusion criteria: Pregnancies with large sub chorionic hemorrhage,
any uterine anomalies, uterine fibroids, any organic lesion of the uterus,
ectopic pregnancy, complete and incomplete hydatiform mole.
Each case was subjected to:
Thorough history taking.
General