Dating pregnancy ultrasound vs lmp


03-Jan-2018 03:12

You may also find that your scan report indicates different ages for different body parts of your baby.Your baby's legs might correspond to 21 weeks of pregnancy while her head might indicate 20 weeks.Your doctor calculates your stage of pregnancy or your gestational age using your last menstrual period.She will ask you when the first day of your last period was and from there, count how many weeks pregnant you are.Third trimester It is more difficult to measure your baby in the third trimester because she's much bigger and curls up in your womb.She may even have dropped making it harder for your doctor to see some of her body parts in a scan.

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Diabetes can make your baby bigger than what she should be for her age.

We were actively having sex throughout the whole month of march.

Her First day of her LMP was February 27 and it ended between march3/4. We Went in for her first ultrasound at 19 weeks and the doctor told her she was measuring 20 weeks and 2 days and changed her due date to November 25th.

This is also how your doctor will estimate your due date by counting 40 weeks from the first day of your last period.

An ultrasound scan estimates your baby's age by measuring different parts of your baby's body such as her head, abdomen, and legs.If your scan reveals more than two weeks' difference between your gestational age and the scan age, your doctor will probably ask you to have another scan.