Start Accurate early ultrasounds dating pregnancy

Accurate early ultrasounds dating pregnancy

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Normally, ultrasounds before until week 4 of pregnancy shows nothing in the uterus and serve no purpose.

Pregnancy is dated from the first day of the last menstrual period, so at four weeks, a woman is just due for a menstrual period.

You may have calculated the length of your pregnancy from the first day of your last menstrual period (LMP).