Baby dating scan accuracy

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While many women will have a good idea of when they had their last menstrual period, another portion will be far less certain.This can be due to a number of factors, including whether the pregnancy was planned or not, and if the mother often has irregular periods.

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If this does occur, the possible complications of or implications for the pregnancy will be fully discussed with the parents by a doctor or consultant and advice and guidance will be provided.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.The position of BMUS on the use of ultrasound to produce “keepsake” images of the fetus is outlined in the European Committee of Medical Ultrasound Safety (ECMUS) statement, endorsed by BMUS. Ultrasound scans should not be performed solely for producing souvenir images or recordings of a fetus or embryo. The production of souvenir images or recordings for the parents to keep is reasonable if they are produced during a diagnostic scan, provided that this does not require the ultrasound exposure to be greater in time or magnitude (as indicated by the displayed MI and TI) than that necessary to produce the required diagnostic information. Attention is drawn to the recommendation of the EFSUMB Clinical Safety Statement for Diagnostic Ultrasound that ultrasound examinations should be performed only by competent personnel who are trained and updated in ultrasound safety matters.During the course of the pregnancy, every mother should have at least two scans.

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