Thursday, March 06, 2008

By the Numbers

Probability of GGGG Quadruplets

In the USA, approximately 1050 boys are born for every 1000 girls born. The probability of any single baby being a girl is 1000 / (1000 + 1050) = .487. The probability of GGGG quadruplets is simply .487 X .487 X .487 X .487 = .056 or 5.6%.
CDC Sex Ratio Report

Averages for 32 Week Quadruplets

Average Birth Weight 3 lb 7 oz
Average NICU Stay 24.5 days
Average weeks gestation is 31.3 weeks
Mothers of Supertwins Statistics

4 comments:

Anonymous said...

Hmmm, did paul write this post or maria? I'm guessing paul!? Nice work, numbers man.

-mary

Anonymous said...

Yeah...Maria has been working on these numbers for the past several weeks or Paul pulled them out of his hat this morning. ;o)

Love the animals next to your little angels. Great idea!!

Let us know when you are up for visitors!

Amy K.

Holly Janeen said...

good job :)

they are beautiful... what a lucky family you are... so sweet are these little ladies!

(i am amy mckay/ richardson's kid sister... in case you were wondering)

Esteban said...

Yeah, but...what is the probablity of GGGG quads being born at 32.5 wks on a March 4? That's what I really want to know...

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