Dating ultrasound differ from LMP?

Question

Did anyone’s due date get changed after their dating ultrasound? How did it differ from your due date from last period?

Answer

My LMP due date was 6/1 and my dating scan due date is 6/8.

Answer

LMP due date: 3/22
US due date: 4/2 
Baby was born on 3/26

Answer

We went into our first ultrasound thinking we were 7w6d (my last period) but baby measured 6w5d. Our due date went from May 16th to the 24th.
It's completely normal!! Don't worry about it unless your doctor seems concerned!

Answer

Dating using your last period isn't always accurate as you could have ovulated earlier or later than you thought. I was a week behind. I went to my first appointment at 8 weeks and when they measured the baby I was 7 weeks. It's pretty normal for dates to change

Answer

Usually they’ll change it if it’s at least a week different. Just means you ovulated either early or late

Dating ultrasound differ from LMP?

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