When exactly is the third trimester?

The affectionately named "honeymoon trimester". Your belly is getting bigger and you start to feel your first baby kicks. Are you having a boy or a girl?

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When exactly is the third trimester?

Postby MommaR » Wed Apr 02, 2014 7:12 am

I have a couple of apps and such and each is different.

This is my third so I feel silly even mentioning it lol.

I feel like my logic says pregnancy is 40 weeks.... divide by 3 (3 trimesters) and you get 13.33. So then basically the third would start at 26.66?

That's not what I have on any of these calendars. Nope. One app says at 27 weeks... another says 28 weeks... etc.
Me: 30
DH: 28
DS 1: 5
DS 2: 3
Angel Baby: August 31, 2013 (6 weeks)
BFP: October 22, 2013 EDD July 8, 2014!
Beta: 49.2 (12 dpo)
Beta: 143 (14 dpo)
Ultrasound November 11, 2013 - Saw baby and heartbeat (122)!
Ultrasound at 8 weeks 6 days heartbeat was 164!
H.b. at 13 weeks was 148!
Elective Ultrasound 16.2 weeks - IT'S A GIRL!!!
Ultrasound 18.6 weeks - STILL a girl!!!
Ultrasound 20 weeks - S.T.I.L.L. a girl!!! :)
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Re: When exactly is the third trimester?

Postby Kodak2057 » Wed Apr 02, 2014 8:36 am

I posted the same question on my ddc and general consensus was 28 weeks.
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Re: When exactly is the third trimester?

Postby MommaR » Wed Apr 02, 2014 10:56 am

dagnabbit! Why is the third so hard to calculate?! Shouldn't it be a hard and fast rule? lol

Again, I put Google to the test and came up with this from kidshealth.org:

Another common term you'll hear throughout your pregnancy is trimester. A pregnancy is divided into trimesters:
•the first trimester is from week 1 to the end of week 12
•the second trimester is from week 13 to the end of week 26
•the third trimester is from week 27 to the end of the pregnancy

Some other website said there were 3 different ways to calculate trimesters. wth?
Me: 30
DH: 28
DS 1: 5
DS 2: 3
Angel Baby: August 31, 2013 (6 weeks)
BFP: October 22, 2013 EDD July 8, 2014!
Beta: 49.2 (12 dpo)
Beta: 143 (14 dpo)
Ultrasound November 11, 2013 - Saw baby and heartbeat (122)!
Ultrasound at 8 weeks 6 days heartbeat was 164!
H.b. at 13 weeks was 148!
Elective Ultrasound 16.2 weeks - IT'S A GIRL!!!
Ultrasound 18.6 weeks - STILL a girl!!!
Ultrasound 20 weeks - S.T.I.L.L. a girl!!! :)
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Re: When exactly is the third trimester?

Postby MommaR » Thu Apr 03, 2014 7:09 am

Someone sent me this.. thoughts?
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Me: 30
DH: 28
DS 1: 5
DS 2: 3
Angel Baby: August 31, 2013 (6 weeks)
BFP: October 22, 2013 EDD July 8, 2014!
Beta: 49.2 (12 dpo)
Beta: 143 (14 dpo)
Ultrasound November 11, 2013 - Saw baby and heartbeat (122)!
Ultrasound at 8 weeks 6 days heartbeat was 164!
H.b. at 13 weeks was 148!
Elective Ultrasound 16.2 weeks - IT'S A GIRL!!!
Ultrasound 18.6 weeks - STILL a girl!!!
Ultrasound 20 weeks - S.T.I.L.L. a girl!!! :)
Image
ImageMake a pregnancy ticker
MommaR
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Posts: 306
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Re: When exactly is the third trimester?

Postby SusanT » Sat Apr 05, 2014 9:03 am

I have always been confused about this. I thought it was 28 weeks but the ladies in my June group all agreed on 27. I say go with 27, which is only a few days away for you! ;)
Susan (36) Matt (37)

Expecting our first after TTC for 2.5 years!

9/16 - FET - transferred a 5 day 3AA embryo
9/20 - BFP on my birthday!

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Re: When exactly is the third trimester?

Postby Ral831 » Tue Apr 08, 2014 10:30 am

I went with 27 because it was soonest :-).
Rachel

It's a girl!
EDD 7/3/14
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