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In normal state, each body tissue type, such as liver, spleen or kidney, has a unique echogenicity.Fortunately, gestational sac, yolk sac and embryo are surrounded by hyperechoic (brighter) body tissues.Individual circumstances may dictate that more scans may be offered and a breakdown of what you could receive is detailed below.Early viability scan This usually takes place at 6 to 10 weeks of pregnancy.Obstetric ultrasonography is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in its mother's uterus (womb).The procedure is a standard part of prenatal care in many countries, as it can provide a variety of information about the health of the mother, the timing and progress of the pregnancy, and the health and development of the embryo or fetus.Ultrasound scanning requires a high level of concentration on the part of the sonographer.
It can determine if a baby is present, the position of the fetus and if there is a multiple pregnancy.
The scan can confirm the number of babies in the uterus, the embryo can be observed and measured by about five and a half weeks and a heartbeat usually detected by 6 weeks.
Scans at this stage in pregnancy are reassuring for women experiencing bleeding, pain or who have had previous miscarriages.
Research shows that routine obstetric ultrasound before 24 weeks gestational age can significantly reduce the risk of failing to recognize multiple gestations and can improve pregnancy dating to reduce the risk of labor induction for post-dates pregnancy.
There is no difference, however, in perinatal death or poor outcomes for babies.