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The story
A woman posted on social media that she “lost 7 liters of blood” during childbirth, prompting a man to push back, claiming “you can’t survive losing that much blood without continuous transfusions — this is a fake story (uso-matsu, Japanese slang for an obviously made-up post) from someone who clearly doesn’t understand science.” The exchange sparked a lively thread on 5ch’s livestream-commentary board. Replies introduced the real medical condition known as “obstetric critical hemorrhage,” in which bleeding becomes hard to stop around childbirth, and opinion split over how to count blood loss when it’s continuously being replaced by transfusion. The discussion gradually drifted into comparisons of death risk between childbirth and male-dominated labor, and the gender gap in suicide rates.
What people said
Man
Doctor
My toes just went limp
Isn't that a cheap argument?
If that counts, then bleeding while simultaneously getting transfused should count too
Huh?
It's because the blood loss is massive that they keep transfusing, right?
She's not out here trying to flex or compete over blood loss like you guys
So you're just cycling the blood round and round
I can really feel how hard you're trying to find some way to put her down lol
What's wrong with that?
It's like someone claiming they ate 20kg in a competitive eating challenge while throwing it all up right after eating it, isn't it?
Why are you turning someone's massive blood loss into a blood-loss challenge?
That's a good analogy
It's like bragging about a record you only hit by cheating
If she lost 7 liters and THEN got transfused, that'd be impressive, but if it's being replaced as it's lost, the total blood volume barely changes, so it's no big deal
She still bled — that doesn't change
If you lost a ton of blood in an accident, would you accept someone saying "well, you got a transfusion, so technically you never bled"? You wouldn't buy that either
Then why bother posting it on Twitter with a photo in the first place?
If you don't like it, don't look at it
The fetus drinks its own urine and circulates it to prepare for breathing with its lungs
So it's not like amniotic fluid ever goes bad
What actually "goes bad" are the eggs (ova)
That's the one part singer Koda Kumi got wrong (she once sparked controversy with a comment about women's "eggs rotting")
It's called "obstetric critical hemorrhage" — various factors make bleeding more likely during childbirth
It can quickly escalate into "obstetric DIC," where clotting factors get depleted and the blood turns thin and watery, gushing out freely
At that point you need to replace fluids, red blood cells, and clotting factors all at once
It's such a pointless thing to question
Yeah, pretty much
According to late-Meiji-era data (early 1900s), about 0.4% of mothers died with every birth
That's why "built for easy delivery" body types were prized back then
Thanks to medical progress, that's now down to around 0.003%
For what it's worth, the leading cause of death during the perinatal period today is suicide, which is why postpartum (and perinatal) depression care is now the big focus
That's talking about the lowest-rung construction laborers
Not men in general
What makes it even sadder is that each of those guys was still the single best performer out of hundreds of millions of sperm
Then again, there's the gender gap in suicide rates
If you include attempted suicides, women are higher
Men have a higher completion rate
That's because men tend to use more lethal, violent methods
So what's your point
Don't just brush off the men who actually die — is that sexist or what
The point is just that men are more aggressive
So what's your point
Don't be sexist
You're pretty aggressive yourself
For the record, I'm a guy too, so I'm aggressive as well
This isn't sexism, it's just making a distinction
Background and Key Points of This Debate
Massive blood loss during childbirth is medically known as “obstetric critical hemorrhage.” When it’s accompanied by obstetric DIC — a complication in which blood loses its ability to clot around the time of delivery — bleeding can continue even while fluids, red blood cells, and clotting factors are all being replaced simultaneously. In the late Meiji era (early 1900s), roughly 0.4% of mothers died with each birth; thanks to advances in transfusion and hemostasis techniques, that figure is now said to be around 0.003%. Where thread opinion split was over whether blood loss continuously offset by transfusion should still count toward the real total — the core of the disagreement was less about whether the number itself was true and more about how to define it. The conversation later drifted into unrelated territory like the gender gap in suicide rates, a tangent with no direct bearing on the original medical question.
*This article is compiled and summarized from the 5ch (Nandemo Jikkyo G) thread “Woman: “I lost 7 liters of blood during childbirth” Man: “Fake! Fake! You clearly don’t know anything about science”.”
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