Second Trimester

7 Replies
JessC531 - January 19

When will I officially be in my second trimester? I have heard such conflicting things... I am now 12 weeks 4 days. I just want to know when I pass that hurdle and can relax a little. :)

 

charmy - January 24

15 week's is when you start your second trimester

 

jen327 - January 24

Jess, Here is a great website that explains everything, baby2see.com/trimester_calculator.html A summary of what is says is - There are basically three ways of dividing up a pregnancy into trimesters: development, gestation, conception. They give different dates for when the second trimester begins and for when the third trimester begins. - Development: This uses actual developmental stages to divide up a pregnancy. From LMP to 12 weeks the embryo develops all the major organs and becomes a fetus. From 12 weeks to 27 weeks the fetus continues developing and reaches viability. From 27 weeks on the fetus finishes development and prepares for delivery. Here the second trimester begins at 12w 0d and the third at 27w 0d. Gestation: With this method you take the 40 weeks of gestation and divide by three. Here the second trimester begins at 13w 3d and the third at 26w 6d. Conception: This method is where you take the 38 weeks of post conception development, divide by three, and add two weeks. Here the second trimester begins at 14w 5d and the third at 27w 3d - I hope this information is helpful. Also, charmy 15 weeks is incorrect.

 

CarmenFreel - January 24

I think that the normal time that your doctor would tell you is that your second trimester starts at 12 weeks 0 days.

 

charmy - January 25

ahhh well... that's what i was told 15 week's....ok so it's 12 week's then....

 

Melissa30 - January 25

Actually the 2nd trimester begins at week 13.

 

jendean00 - January 26

13 weeks 1 day

 

JessC531 - January 26

You see why I'm so confused? LOL. My doctor told me I am in the second trimester now... and I am 13w4d. She said the first 12 weeks are when the baby is developing everything, and once that is done, your chance of miscarriage reduces drastically. So I guess she considers 12 weeks to be the second trimester...

 

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