Ultra sound due date vs. date of lmc

[BreymanCoen]

Hey ladies! Just got done @ my first two week apt. & due to my grandma being out of the country a week before my given due date I asked my doc what the ultra sound gave for one. Going by my last period I am due on 07/02 but according to the ultrasound I am due 06/23. So my question is how many of you delivered on or around ultrasound due date versus last period due date? My doc said I could go into labor as early as 06/20 but shouldn't carry any longer than 07/07. My first was 6 days over due by my last period due date.

[BreymanCoen]

Thanks ladies!  My doc only does 1 u/s @ 20 weeks unless something is wrong with the baby/pregnancy so that's the only u/s i have to go by.

[LosingMyMindInGA]

Once you are out of the first trimester - ultrasound measurements aren't nearly as accurate.  If you had a first trimester ultrasound I would go with the date it gave you because it will more closely match up with your LMP.

[jenniekae81]

Babies grow at different rates so yours could just very well be measuring big...thus the earlier u/s due date. The general rule of thumb is the earlier the ultrasound, the more accurate the due date.

[Ashleigh529]

Im not sure bcus my u-s have always pretty much matched up with my lmp. Although usually ur first u-s in the very beginning is usually the most accurate. Both my kids went passed their due dates so who knows. I think its just up to when babies ready!

[BreymanCoen]

Oh & I wondered if maybe the dates could be different because of this baby's weight. He weighed 1 lb 13 ozs at 21 wks. So bigger baby or just a lil farther along?! Lol My first was 8lbs 10ozs.