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The diagnosis of missed abortion is usually made by serial ultrasound scans demonstrating lack of gestational development.
For example, if ultrasound scan demonstrates a 7mm embryo but cannot demonstrable a clearcut heartbeat, a missed abortion may be diagnosed.
Contamination factor (CF) and geoaccumulation index (1) indicates progressive deterioration of the sediment quality.
The extent of pollution by heavy metals in the river Korotoa implies that the condition is much frightening to the biota and inhabitants in the vicinity of the river as well.
The conducting gel is non-staining but may feel slightly cold and wet.
There is no sensation at all from the ultrasound waves.
If this is observed, the probability of a continued pregnancy is better than 95 percent.
Missed abortions and blighted ovum will usually give typical pictures of a deformed gestational sac and absence of fetal poles or heart beat.
Very high frequency sound waves of between 3.5 to 7.0 megahertz (i.e.A short history of the development of ultrasound in pregnancy can be found in the History pages.Ultrasound scan is currently considered to be a safe, non-invasive, accurate and cost-effective investigation in the fetus. The gestational sac can be visualized as early as four and a half weeks of gestation and the yolk sac at about five weeks.3.5 to 7 million cycles per second) are generally used for this purpose.They are emitted from a transducer which is placed in contact with the maternal abdomen, and is moved to "look at" (likened to a light shined from a torch) any particular content of the uterus.