What are some tropes in Unbirth that should be used more?

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Re: What are some tropes in Unbirth that should be used more

Postby dreamweevil » Tue Dec 22, 2020 6:20 am

jj2u4fun2 wrote:My favorite shrunken unbirth is when the woman traps the man inside with her lingerie so even if he starts to crawl out, he hits that barrier and can go no further and she can use her vaginal muscles to contract him back in at any time.


I know I've written that scene more than once (just haven't found the reference among all those stories), so it's a favorite here too. The progressive entrapment is fun (first inside a woman's vagina, then her underwear, and then her pants). The other thing I remember writing about has a bit of reality to it. Most of the nerve endings in a woman's vagina are towards the outside - the outer third or so. When she's aroused, stimulating those nerves pushes her towards more arousal and eventually orgasm. But the rest of the time - when not aroused - the same sense is decidedly uncomfortable: it's distracting, almost painful, like something is where it's not supposed to be. It's one reason why tampons have to be pushed deep inside - to get them past that outer, sensitive area and into a space where she can barely feel it.

So it would go with a tiny human inside her. She'd push - or pull - her passenger deep inside, and, yes, if that's linked to an orgasm, so much the better. But then she cools down; her vagina closes up, and now if her captive tries to escape, not only will she feel it, but her instinct will be to contract and drive him deeper inside herself. The promise of "outside" is always just a few inches away, and he can make progress in that direction, but her body will deny him that exit every time.
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Re: What are some tropes in Unbirth that should be used more

Postby AlternativeYam6460 » Sun Dec 27, 2020 2:47 pm

TheTastefulGentlman wrote:Unbirth as a continuation of sex - Where a couple gets more and more into sexual acts until one ends up inside the other.
I'm particularly fond of this sort thing when the unbirth is accidental/unintentional, where the woman just gets so carried away that she ends up trapping her partner inside of her.
Frustratingly hard to find any content like this though.


This. Not really into unbirth except in this situation where it actually is really hot. Sexual pleasure so intense that the woman unbirths her partner resulting in one of her biggest orgasms.

The other situation that is hot and a bit more "willful" is a cuckold threesome where the wife unbirths the husband before fucking the bull.
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Re: What are some tropes in Unbirth that should be used more

Postby jj2u4fun2 » Tue Dec 29, 2020 12:06 am

This is hot

I know I've written that scene more than once (just haven't found the reference among all those stories), so it's a favorite here too. The progressive entrapment is fun (first inside a woman's vagina, then her underwear, and then her pants). The other thing I remember writing about has a bit of reality to it. Most of the nerve endings in a woman's vagina are towards the outside - the outer third or so. When she's aroused, stimulating those nerves pushes her towards more arousal and eventually orgasm. But the rest of the time - when not aroused - the same sense is decidedly uncomfortable: it's distracting, almost painful, like something is where it's not supposed to be. It's one reason why tampons have to be pushed deep inside - to get them past that outer, sensitive area and into a space where she can barely feel it.

So it would go with a tiny human inside her. She'd push - or pull - her passenger deep inside, and, yes, if that's linked to an orgasm, so much the better. But then she cools down; her vagina closes up, and now if her captive tries to escape, not only will she feel it, but her instinct will be to contract and drive him deeper inside herself. The promise of "outside" is always just a few inches away, and he can make progress in that direction, but her body will deny him that exit every time.
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Re: What are some tropes in Unbirth that should be used more

Postby Veksor » Wed Jan 06, 2021 10:54 am

I think regression is used too much, I know it's others' cups of tea but it's not my thing.

I really like unwilling/semi-willing pred. Imagine a macro/micro couple doing BDSM, and the macro is tied up and the micro 'crawls in' even though she insists not to.

Unaware/accidental is something I'd like to see more often. Also, feral pred/prey.

Not the biggest fan of CV but when it does from CV -> UB or AV, I LOVE that trope and wish it were used more!
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Re: What are some tropes in Unbirth that should be used more

Postby LemonBarb » Sun Jan 31, 2021 12:59 pm

Frankly, I have a couple of things I'd like to ideally see more on Unbirth, before I think of trying to be a 'bit' more original in possible takes on Unbirth (oh hey, "Vagina tongues", or tentacles!)

One. The Cervix. If vaguely recalling at a glance, a bit of a peeve is how with typical 'easy' unbirth stories, the victim is fully trapped within a "womb", once their feet or external bodypart is pulled fully within a vagina. When in truth, their whole body has to pass a dilluted 'ring' of an uterus exit, before it can narrow/seal the passenger inside the predators body, and in a 'final' manner far less likely to escape from. So in an early argument on "oh, have to exit the pants first" would be made more complicated, when it'd be a miracle as is, to exit a fully tight/narrow cervix, without it at least diluting, no doubt. Even if it's just pressure/trapped, before it yawns/starts swallowing. Or if going 'deep throating' or just insertion on vanilla foreplay, under a "prelude to ingesting a passenger" (or womb fucking instead.)

The second line, *if* going along the lines of age/biological regression, wish that the victim goes 'all the way', in being ultimately entrapped within the predators ovaries, with possibly no chance of ever escaping once entrapped. Similar in style if going honest, to Groblek's earlier takes on that. Such as "Going All The Way"; https://aryion.com/g4/view/274110

As a bonus, the prey's conscious/soul could even be still alive/trapped, either in biological stasis or more buried/sealed entrapment, when they'd have to escape from first; be ovulated, possibly fertilised. Before they could even hope to see the light outside of being trapped in the tight confines of a predators reproductive organs.

And that's it? Unless, if going more along the lines of a classical succubus. But hey, that's when I start musing on kinks other than just plain/old Unbirth, but related to the act of sex itself.

-

Unless of course, we go on the long term endo lens, of permanent? Entrapment. But by that point, I'd argue if wanting to give that aspect more love, I'd be half tempted on either covering it under a "Five Stages of Grief", except in terms of biological solitary confinement, or permanent loss of freedom. To if going full story writing, at least some research on how living conditions and one's psychology is (badly) affect by long term, solitary entrapment within another's body. Especially if say, they give zero/barely much interaction/care for their prey's wellbeing.
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Re: What are some tropes in Unbirth that should be used more

Postby TheTastefulGentlman » Mon Feb 01, 2021 7:34 am

I agree about the cervix, far too few unbirth stories or images really pay attention to it. Plus you can pull in interesting aspects of real anatomy with how the cervix will dilate during orgasm and then contract afterwards, providing a means for an unbirthee to enter and then be trapped in the womb.
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Re: What are some tropes in Unbirth that should be used more

Postby necross » Tue Feb 23, 2021 4:55 am

What about being dragged in by the umbilical for unwilling unbirth? I don't recall ever seeing that but it has some possibility if you ask me.
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Re: What are some tropes in Unbirth that should be used more

Postby dreamweevil » Tue Feb 23, 2021 5:47 am

LemonBarb wrote:The Cervix. If vaguely recalling at a glance, a bit of a peeve is how with typical 'easy' unbirth stories, the victim is fully trapped within a "womb", once their feet or external bodypart is pulled fully within a vagina. When in truth, their whole body has to pass a dilluted 'ring' of an uterus exit, before it can narrow/seal the passenger inside the predators body, and in a 'final' manner far less likely to escape from. So in an early argument on "oh, have to exit the pants first" would be made more complicated, when it'd be a miracle as is, to exit a fully tight/narrow cervix, without it at least diluting, no doubt. Even if it's just pressure/trapped, before it yawns/starts swallowing. Or if going 'deep throating' or just insertion on vanilla foreplay, under a "prelude to ingesting a passenger" (or womb fucking instead.)


I always assume that in an unbirth scene, the cervix is completely dilated well before the main event: she wouldn't start the unbirthing otherwise.

"Officially", a cervix is fully dilated at 10 centimeters, at which point it ceases to be a separate, identifiable structure. It's flush with the walls of the vagina/birth canal. So, at least in my stories, it's not a factor for her passenger on their way in; there's not even an obvious distinction between "vagina" and "uterus" at that point.

Only after the main part of the unbirth is done does the cervix come into play. She progressively closes her victim into herself - initially closing her legs, perhaps, then using her vaginal muscles to squeeze her birth canal shut and force her victim deep inside and into a fetal position. Since those vaginal muscles tire quickly, a woman will usually stay in bed, laying down, so she doesn't have to fight gravity as well as any impulse for her passenger to escape. Her cervix comes to her rescue; slowly reappearing and then narrowing: once it's small enough that her passenger is trapped, she can get up and go about her business. Within a few hours, the cervix closes completely, sealing her 'passenger' inside.
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