A little confused about when the 2nd tri officially starts?

daniek2407 · October 2011

What are you going by... 13 weeks or 14 weeks? Every thing I've read has been different and I haven't even thought to ask my OB when I'm there, because any questions I think of don't come to me at that moment..always later, as usual.

selenamarino · October 2011

I was wondering the same thing.

Julier1103 · October 2011

My OB told me 14 weeks as well as "What to Expect...." which is supposed to be the bestselling pg book. However, the "due date calculator" under "tools" tells me I was officially in my 2nd trimester this past saturday the 8th, but I'm not 14 weeks until thursday the 13th? I'd still go with 14 weeks though

MrsGreen620 · October 2011

I'm going with the most literal interpretation - 13 weeks 3 days, and 26 weeks 6 days.

loupac · October 2011

I have the same question... My doctors office considers you in your 2nd trimester at 13 weeks... if you go by 40 weeks... i guess it would be 13 weeks and 2.5 days... and I have heard 14 ...

I am going to go with my doctor on this one.. LOL..

NayNaysPlayPen · October 2011

In my mind, I am planning to go by 13 weeks, 3 days. But I am meeting with my dr tomorrow and I plan to ask him this exact question just to see what he says!

ckk8584 · October 2011

NayNaysPlayPen:
In my mind, I am planning to go by 13 weeks, 3 days. But I am meeting with my dr tomorrow and I plan to ask him this exact question just to see what he says!

Let us know what they say!!

hass2001 · October 2011

MrsGreen620:
I'm going with the most literal interpretation - 13 weeks 3 days, and 26 weeks 6 days.

This! Makes the most sense.

daniek2407 · October 2011

Well, in my mind I had been thinking that 13 weeks would be it, but the book I'm reading says 14. But, like I said, I've read differently else where. 13 weeks, 3 days sounds like a happy medium

. It's only a few days difference but if you're like me, time feels like it's slowly creeping by in this 1st trimester and I'm ready to feel better!!!

mumegs · October 2011

My OB said it starts right at 12 weeks, because that's when you hit the mark where all the major organ development is finished. I think they go by development rather than just splitting it in thirds.

daniek2407 · October 2011

mumegs:
My OB said it starts right at 12 weeks, because that's when you hit the mark where all the major organ development is finished. I think they go by development rather than just splitting it in thirds.

Maybe that's why my ticker says "now in the 2nd trimester...."?

ChicagoChick14 · October 2011

daniek2407:
mumegs:
My OB said it starts right at 12 weeks, because that's when you hit the mark where all the major organ development is finished. I think they go by development rather than just splitting it in thirds.

Maybe that's why my ticker says "now in the 2nd trimester...."?

I just realized mine says the same thing!

Tambcat · October 2011

I went by 12.

daniek2407 · October 2011

ChicagoChick14:
daniek2407:
mumegs:
My OB said it starts right at 12 weeks, because that's when you hit the mark where all the major organ development is finished. I think they go by development rather than just splitting it in thirds.

Maybe that's why my ticker says "now in the 2nd trimester...."?
I just realized mine says the same thing!

Yep, I'm only a day ahead of you too! I know it's not rocket science, but there's too many opinions on different websites and in different books. I say we'll just go with it starting at 13. Sounds good to me !

BigAppleBiggerBelly · October 2011

Tambcat:
I went by 12.

My MW gave me one of those due date calculator spinning wheel things that was developed by the American College of Nurse Midwives, and it says First Trimester is 0w0d - 11w6d, Second Trimester is 12w0d - 23w6d, and Third Trimester starts 24w0d. Basically, it's 12 weeks, 12 weeks, 16 weeks.

I asked her about it because everything else said 13 or 14 weeks, and she told me that this method divides the trimesters by fetal development.

According to her, I'm second trimester tomorrow (woohoo!), but I think I'll go by 13w3d/26w6d because I like things split evenly.

daniek2407 · October 2011

BigAppleBiggerBelly:

Tambcat:
I went by 12.

My MW gave me one of those due date calculator spinning wheel things that was developed by the American College of Nurse Midwives, and it says First Trimester is 0w0d - 11w6d, Second Trimester is 12w0d - 23w6d, and Third Trimester starts 24w0d. Basically, it's 12 weeks, 12 weeks, 16 weeks.

I asked her about it because everything else said 13 or 14 weeks, and she told me that this method divides the trimesters by fetal development.

According to her, I'm second trimester tomorrow (woohoo!), but I think I'll go by 13w3d/26w6d because I like things split evenly.

Thanks Yes Smile !

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