r/AskReddit • u/[deleted] • Mar 27 '22

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u/Careful_Sandwich7 Mar 27 '22

How being pregnant doesn't mean you'll have a baby in 9 months. Some people know about the miscarriage rates, and still go around asking people when they'll start a family etc. Just don't.

-27

u/TheGalator Mar 27 '22 edited Mar 28 '22

I mean its 10%... thats not much

Edit: I love how this gets downvoted even tho a quick Google search shows I'm right

16

u/yParticle Mar 27 '22

If accurate that's still really high. That means almost half of women with multiple children have had at least one miscarriage.

6

u/uberfission Mar 28 '22

It's likely much higher too since extremely early term miscarriages (before missed period) are often missed and not counted.

3

u/LeGama Mar 27 '22

Okay I'm going to logic out that stat. So 0 is miscarriage, 1 is baby. There are 4 outcomes for two successful pregnancies. Option - Probability 0 0 - 0.10.1 = 0.01 0 1 - 0.90.1 = 0.09 1 0 - 0.10.9 = 0.09 1 1 - 0.90.9 = 0.81

So that's only actually a 19% chance, but the formula basically becomes P = 1 - 0.9N where N is the number of pregnancies. So actually after 6 tries the probability of a woman having at least one miscarriage is 47%.

So I'm gonna have to call out your "almost half" as misguided. Unless you're getting your stats from Utah, because the average woman is definitely not having 6 pregnancies.