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List of services in ultrasound

First-trimester obstetric ultrasound

First-trimester obstetric ultrasound (also called dating ultrasound) is used to more accurately determine the fetus’ gestational age (number of weeks of pregnancy). The ultrasound is done between the 7th and 11th week of gestation. This procedure can also confirm the number of fetuses, the death of a fetus or an ectopic pregnancy.