LMC due date and Sonogram Date way off no hp - Page 4

Lisa92881 · Apr 4th, 2012, 21:57 PM

Quote:

Originally Posted by madisonk

I did study my calendar and found to some relief I couldn't have had a regular period becuase day 14 of ovulation would have been in the middle of a week my husband was gone and if an egg can only live for 24-48 hours this can't be possible. Is it possible that I conceived on the week he returned home - ovulated late... but it didn't implant until the last day he was home...makeing me 6 weeks as the sonogram shows...??

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Originally Posted by Monalissa

Quote:

Originally Posted by Lisa92881

Ahhh who the hell knows.

I give up. Hahaha.

Lol. Have you had your first sono yet? My guess is you will actually measure a little behind compared to your LMP if you O late. It's kind of interesting but I drove myself nuts trying to understand!!

Yes I had one. I know the exact day I ovulated because I was charting, and my measurements correspond perfectly to that. But yeah I would be measuring behind if they used lmp.

So Madison, I ovulated 8 weeks ago, but I am considered 10 weeks pregnant.

Lisa92881 · Apr 4th, 2012, 21:58 PM

Not sure why that first quote is in my reply. Haha. Damn iPhone.

madisonk · Apr 4th, 2012, 21:59 PM

Quote:

Originally Posted by Monalissa

Quote:

Originally Posted by madisonk

Quote:

Originally Posted by Monalissa

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Originally Posted by madisonk

Thank you Monalissa! Please help me understand further...so you said if the sonogram was taken 6 weeks after ovulation it would show... 8 weeks? I'm confused

Yes, that's what I mean. The two weeks are included, the same as when you go by your LMP. For example, I O'd about 6.5 weeks and my sono gave two measurements of 8.5 weeks and 9 weeks. I was measuring a little ahead even though I have a good idea of when I O'd because I know when I got my surge. I hope that makes sense...

It does make a little more sense. I'm confused...what do you mean my surge????

Oh, sorry! When we were trying I would test my urine for my LH surge which happens about 24-36 hours before you ovulate. I have a pretty good idea of when I ovulated.

To be even more specific, if you measured 6 weeks, that means you actually conceived 4 weeks ago. Just like with mine, I conceived about 7 weeks prior to my sonogram but was measuring at 9 weeks.

Try to stay hopeful, this is not an exact science. It freaked me out that I was measuring 9 weeks when I should have been 8+1 per my LMP. Please keep us posted!!

If I conceived 4 weeks ago then for me its not possible

I took a test on 3/4 and i would have had to conceived on 3/7

Monalissa · Apr 4th, 2012, 22:02 PM

The two weeks is the time before you even O, from the first day of your LMP. Based on a "typical" cycle (which is BS because most women don't have a 28 cycle!) you O on day 14 of a 28 cycle. Your due date is counted from the first day of your LMP even though you are obviously not pregnant then. What I'm saying is that sono dating includes those two weeks also - at least per my doc and the reading I've done. Hope that helps!!

madisonk · Apr 4th, 2012, 22:07 PM

Oh ok..I see now. But in my case...that would mean that I ovulate/conceived (i'm confused lol) at day 38 or 39 in order to be 6 weeks per sono (which was 4 weeks ago)....it it even possible to ovulate that late????

Monalissa · Apr 4th, 2012, 22:09 PM

Quote:

Originally Posted by Lisa92881

Not sure why that first quote is in my reply. Haha. Damn iPhone.

Lol, posting from my iPhone too and it's a pain! Did your doc go by your scan measurements instead of your LMP then? They moved my due date up 6 days because I was measuring ahead.

Madison, is there anyway your LMP on the 29th wasn't a a "real" period? Try not to stress yourself out if you can. Easier said than done, I know!

madisonk · Apr 4th, 2012, 22:11 PM

They used the measurments i'm sure. She did ask if my last period was a real one...to be honest I don't remember but i'm so regular (they last about 5 days) that I probably would have noticed. For instance I've never in my life spotted or had any period starting and stopping ect.

madisonk · Apr 4th, 2012, 22:17 PM

I guess I just don't see how its possible for me to have a lmp on jan 29 but conceived on 3/7 when I took a test on 3/4....my only hope is that the sonogram is not correct...which i doubt? :/

Monalissa · Apr 5th, 2012, 10:50 AM

I thought I read they are accurate within +/- a week? I'm not 100% on that though. Please keep us posted. Fingers crossed all is just fine next week.

LeighAnne · Apr 5th, 2012, 11:26 AM

Didn't want to read and run. Hope all is well.

Apr 4th, 2012, 21:58 PM	#32
Lisa92881 Mum (Mom) BnB Addict Join Date: Mar 2011 Location: Massachusetts Posts: 5,064	Not sure why that first quote is in my reply. Haha. Damn iPhone.

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Apr 4th, 2012, 22:02 PM	#34
Monalissa Pregnant (Expecting) Chat Happy BnB Member Join Date: Nov 2011 Location: Brooklyn, NY Posts: 1,015	The two weeks is the time before you even O, from the first day of your LMP. Based on a "typical" cycle (which is BS because most women don't have a 28 cycle!) you O on day 14 of a 28 cycle. Your due date is counted from the first day of your LMP even though you are obviously not pregnant then. What I'm saying is that sono dating includes those two weeks also - at least per my doc and the reading I've done. Hope that helps!!

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Apr 4th, 2012, 22:07 PM	#35
madisonk Pregnant (Expecting) Active BnB Member Join Date: Apr 2012 Posts: 43	Oh ok..I see now. But in my case...that would mean that I ovulate/conceived (i'm confused lol) at day 38 or 39 in order to be 6 weeks per sono (which was 4 weeks ago)....it it even possible to ovulate that late????

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Apr 4th, 2012, 22:11 PM	#37
madisonk Pregnant (Expecting) Active BnB Member Join Date: Apr 2012 Posts: 43	They used the measurments i'm sure. She did ask if my last period was a real one...to be honest I don't remember but i'm so regular (they last about 5 days) that I probably would have noticed. For instance I've never in my life spotted or had any period starting and stopping ect.

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Apr 4th, 2012, 22:17 PM	#38
madisonk Pregnant (Expecting) Active BnB Member Join Date: Apr 2012 Posts: 43	I guess I just don't see how its possible for me to have a lmp on jan 29 but conceived on 3/7 when I took a test on 3/4....my only hope is that the sonogram is not correct...which i doubt? :/

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Apr 5th, 2012, 10:50 AM	#39
Monalissa Pregnant (Expecting) Chat Happy BnB Member Join Date: Nov 2011 Location: Brooklyn, NY Posts: 1,015	I thought I read they are accurate within +/- a week? I'm not 100% on that though. Please keep us posted. Fingers crossed all is just fine next week.

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Apr 5th, 2012, 11:26 AM	#40
LeighAnne Pregnant (Expecting) Chat Happy BnB Member Join Date: Jan 2012 Location: Southwest Louisiana Posts: 1,551	Didn't want to read and run. Hope all is well.

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