Reply to Would you lie about your LMP in my situation?

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[quote=Anonymous][quote=Anonymous]I'm not sure if this is helpful, but I have 3 kids and a long-ish menstrual cycle of about 35 days and when they do the LMP calculations they use a 28 day cycle, which is always a week off for me.

With #1 and #2, I told them this, and what I said matched with the dating u/s so they used that info and it was all fine.
With #3 I told them this info and they did the dating u/s and the dating u/s was off by a week (saying a week less than using LMP, like I said).  BUT this practice said they only change the due date if the dating u/s is MORE than a week different from the LMP calculation.  I was kind of annoyed about this.  Fast forward to the 20 week u/s, when the midwife gave me the results, she off hand commented that one measurement was within the range of normal but slightly on the small side for 20 weeks, and I said - well, I am not 20 weeks pregnant - I am 19 weeks pregnant, but they won't change my due date to match my info & the dating u/s because it was only week different than the LMP calculation!  And she said, oh, well that measurement wouldn't be slightly on the small side for 19 weeks, so I'm changing the due date right now - and she did.

For what it's worth, these were all different ob/gyns - and they all offered a dating u/s - so I'm surprised to hear yours didn't.  I suppose I thought that was standard these days.[/quote]

OP here. Thanks for these anecdotes! I was measuring a little off with #2 but they wouldn't change my due date. I go to large university practices where I see a different person every time (by choice) and I wonder if that would contribute to their not wanting to change what another doc/midwife did?

I see posts about people getting early ultrasounds and wonder why they're getting them. When do you schedule it? After your first visit? I will ask my new practice what their standard policy is, but they're going to ask me for my LMP when I call to schedule an appointment.

The person who said it's only 4-5 days, that can make a big difference! I was 9 days overdue with #2 (according to my real due date). 9 + 5 = 14. 40 weeks + 14 days = pressure to induce starting at (not real) 41 weeks.

If I remember, I'm totally going to come back here in February and post what happened.[/quote]

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