Ultrasounds and dating conception
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research any test before deciding whether to use it or not. For more information on prenatal testing, see the FAQs available from info on the Internet.
Testing decisions vary greatly depending on family history, medical condition, parental beliefs, etc.
A registered nurse with more than 25 years of experience in oncology, labor/delivery, neonatal intensive care, infertility and ophthalmology, Sharon Perkins has also coauthored and edited numerous health books for the Wiley "Dummies" series.
Big moms are STRONGLY urged to read the FAQ on Ultrasound Safety and Accuracy BEFORE reading this FAQ, so that they can better understand the benefits and risks of ultrasounds before reading about their implications in women of size.Currently used equipments are known as real-time scanners, with which a continous picture of the moving fetus can be depicted on a monitor screen.Very high frequency sound waves of between 3.5 to 7.0 megahertz (i.e.Before the advent of routine ultrasound in pregnancy, medical personnel estimated a baby’s due date by the date of the last menstrual period and by feeling the uterus and determining the size to see if it matched the given due date.With transvaginal ultrasound, checking for embryonic development known to occur within a certain time frame more accurately dates a pregnancy.