Dating ultrasound 6 weeks lishuan lee dating

Posted by / 02-Dec-2017 21:57

Dating ultrasound 6 weeks

Traditionally the last menstrual period has been used to date a pregnancy, but this may be highly inaccurate.

This is even though you don't actually conceive until 14 days after your LMP, or later than this if your cycle is longer than 28 days.Be assured that vaginal scanning is safe and will not harm your pregnancy in any way.The current gestation (age) of your pregnancy can be calculated by taking measurements of your baby during the scan (Table 14.1).There are two ways of doing a first trimester scan: Transvaginal scan (TVS) If your doctor wants you to have a scan earlier than 10 weeks of pregnancy, you will have a transvaginal scan.In these early weeks of pregnancy, your baby is too small and low in your abdomen to be picked up by an abdominal ultrasound scan.

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For instance a dating scan done at 6 weeks could get the date wrong five days either way.