Pregnancy: Early (34-56 days from last menstrual period) ultrasonographic measurements in normal pregnancies

Epidemiology of pregnancies with unknown last menstrual period

the Epidemiology of normal pregnancies with unknown last menstrual period (LMP) was studied in 1192 singleton  pregnancies.the LMP was unknown in 240(20.3%) pregnancies.unknown LMP is associated with high rates of low birth weight and all low socio-economic and socio-demographic status.such characteristics are also associated with a high rate of preterm deliveries.any possible bias introduced i...

Use of the last menstrual period (LMP) in timing human pregnancies.

Early pregnancy growth and pregnancy outcome in twin pregnancies.

OBJECTIVES The objective of this study was to determine the association of crown-rump length (CRL) discrepancy in monochorionic and dichorionic twins with subsequent pregnancy outcomes. METHOD A retrospective analytical study was performed among 660 twin pregnancies over 12 years in one fetal medicine tertiary referral center in the United Kingdom. A literature search was performed to identif...

Utility of first trimester obstetric ultrasonography before 13 weeks of gestation: a retrospective study

INTRODUCTION First trimester pregnancy is defined as twelve weeks after the last menstrual period. Ultrasonography has revolutionized validation and management of first trimester pregnancies. The aim was to analyze ultrasonographic findings of first trimester pregnancies in University of Uyo teaching hospital (UUTH), Uyo, Nigeria. METHODS The departmental ultrasonographic records of pregnant ...

Role of ultrasound in early pregnancy in differentiating normal and abnormal pregnancies.

A prospective study was carried out from November 2006 - December 2008 in which a total of 304 patients with early pregnancy were examined by ultrasound (US). Of these, 203 (66.8%) cases were normal pregnancies (including 8 cases of twin pregnancy), 32 (10.5%) missed abortions, 19 (6.3%) incomplete abortions, 14 (4.6%) complete abortions, 12 (4.0%) blighted ovums, 11 (3.6%) without sonographic ...