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01-10-2013 at 12:23 PM
MrserinJ
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MrserinJ is not online. Last active: 05-22-2013, 12:19 PMBronze

Confused about due date

Hi ladies,

Yesterday I had my N/T scan and now I'm confused on dates:

My LMP puts me at July 29 and I'd be 11w5d today but the U/S put me at 12w3 days, with a DD if July 22. I was charting and got a BFP at 10 dpo. I guess it is possible I ovulated earlier as I had a drop in temp then rise, but not a huge one though I was a slow riser, about 5 days before my CH's. I also. Had EWCM those days and none around CH's but my OPK's were positive after that. I didn't test before that though, as my cycle was 29 days and if the u/s was correct, I o'd on CD 10 abd usualky I ovulated on CD 16 or 17. We had sex on CD 9 and 10, so I guess it's possible conception happened then! But is it possible to get a positive OPK after ovulation?

Anyways, which should I go by? I know that u/s is more accurate than LMP earlier in first tri. But is it still more accurate at 12 weeks? I didn't have an earlier u/s, so this is all I have. I posted about this on on The July board too but just wondering what you ladies might think. Hope this post made sense! Thanks!
 
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01-10-2013 at 12:26 PM
purplepean...
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Regardless of charting and temping the Dr will go by the due date he thinks is right. so whatever he says go by that.
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01-10-2013 at 12:27 PM
BelhurstBr...
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The later the u/s the less accurate it is with determining a due date. I'd stick with your LMP date, if it were me. 

What did your dr say? It's possible he/she won't consider the u/s date, either. (I know mine wont.) 

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01-10-2013 at 12:29 PM
MrserinJ
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purplepeanut6:
you just asked the same question. and will get the same answers. U/s is more accurate.http://community.thebump.com/cs/ks/forums/thread/71145484.aspxnbsp;


Um, sorry? There were different answers to the question and people didn't agree. Most said early u/s was more reliable, but I wasn't sure if the 12 week one was considered early still.
 
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01-10-2013 at 12:31 PM
MrserinJ
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BelhurstBride:

The later the u/s the less accurate it is with determining a due date. I'd stick with your LMP date, if it were me.&nbsp;

What did your dr say? It's possible he/she won't consider the u/s date, either. (I know mine wont.)&nbsp;



Sorry, I should have said I haven't seen my doctor yet. The ultrasound was at a different facility. I will definitely ask him when I see him next. Thank you!
 
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01-10-2013 at 12:31 PM
purplepean...
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MrserinJ:
purplepeanut6:
you just asked the same question. and will get the same answers. U/s is more accurate.http://community.thebump.com/cs/ks/forums/thread/71145484.aspxnbsp;
Um, sorry? There were different answers to the question and people didn't agree. Most said early u/s was more reliable, but I wasn't sure if the 12 week one was considered early still.

i reread it and changed by response. dr dont care about charting or temps or anything. i know when I Od but they still put me at a DD he seemed was right. Use the DD the dr gave you since that it what they will use.  
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01-10-2013 at 12:32 PM
BelhurstBr...
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MrserinJ:
BelhurstBride:

The later the u/s the less accurate it is with determining a due date. I'd stick with your LMP date, if it were me. 

What did your dr say? It's possible he/she won't consider the u/s date, either. (I know mine wont.) 

Sorry, I should have said I haven't seen my doctor yet. The ultrasound was at a different facility. I will definitely ask him when I see him next. Thank you!

 No. 6 weeks is early. 12 weeks is pushing it... 

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01-10-2013 at 12:34 PM
MrserinJ
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purplepeanut6:

MrserinJ:
purplepeanut6:
you just asked the same question. and will get the same answers. U/s is more accurate.http://community.thebump.com/cs/ks/forums/thread/71145484.aspxnbsp;


Um, sorry? There were different answers to the question and people didn't agree. Most said early u/s was more reliable, but I wasn't sure if the 12 week one was considered early still.

i reread it and changed by response. dr dont care about charting or temps or anything. i know when I Od but they still put me at a DD he seemed was right. Use the DD the dr gave you since that it what they will use. &nbsp;



Ok, thanks for the clarification. I should have stated I haven't seen my doctor since the u/s. I will definitely ask him and go by what he says.
 
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01-10-2013 at 12:35 PM
MrserinJ
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BelhurstBride:
MrserinJ:
BelhurstBride:

The later the u/s the less accurate it is with determining a due date. I'd stick with your LMP date, if it were me.&nbsp;

What did your dr say? It's possible he/she won't consider the u/s date, either. (I know mine wont.)&nbsp;



Sorry, I should have said I haven't seen my doctor yet. The ultrasound was at a different facility. I will definitely ask him when I see him next. Thank you!

&nbsp;No. 6 weeks is early. 12 weeks is pushing it...&nbsp;



That is what I was thinking but wasn't sure. Thanks for the info!
 
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01-10-2013 at 12:41 PM
magdalina....
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Earlier u/s are good for dating the pregnancy, but the further along the less reliable it is. My OB goes by the LMP instead of the u/s.
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01-10-2013 at 1:05 PM
fabk
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I had pretty much the same thing. By LMP, I was July 29th, at my 7 w u/s we found out we were measuring 8 w and changed my EDD.

I went with what the dr wanted. Even though I find it funny that I apparently O'd within 3 days of the end of my last period.
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01-10-2013 at 1:21 PM
rhek003
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I had something similar happen with my first pregnancy. After my first ultrasound, my dud date was set four days later than what I had figured it out to be based on my LMP. Officially, my midwife used the date determined by the ultrasound, but I always had the other date in the back of my mind. In the end, I gave birth smack in the middle of the two dates!
 
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