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they are twins that happen naturally rather than through in vitro fertilization.

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15y ago
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7mo ago

Spontaneous twins are twins born without the use of assisted reproductive technology. They may be fraternal (resulting from the fertilization of two separate eggs) or identical (resulting from the splitting of a single egg).

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Q: What are spontaneous twins?
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spontaneous ACCOUNT


How is identical twins created in the mother's womb?

With identical twins, one egg (zygote) from the mother is fertilized by one sperm from the father, and then very early in development the embryo splits and two fetuses grow. Spontaneous division of the zygote into two embryos is not considered to be a hereditary trait, but rather a spontaneous or random event. If the zygote splits very early (in the first 2 days after fertilization) they may develop separate placentas (chorion) and separate sacs (amnion). These are called dichorionic, diamniotic (or 'di/di') twins. While all fraternal twins are 'di/di', this occurs 20 - 30% of the time in identical twins. Most of the time in identical twins the zygote will split after 2 days, resulting in a shared placenta, but two separate sacs. These are called monochorionic, diamniotic ('mono/di') twins.These twins are very similar genetically, and share a single afterbirth. Very occasionally, twins will also share the same sac (fluid cavity). In about 1% of identical twins the splitting occurs late enough to result in both a shared placenta and a shared sac. These are called monochorionic, monoamniotic ('mono/mono') twins.


What animal represents spontaneous?

'Spontaneous' means "arising from a momentary impulse". There is no animal which represents 'spontaneous'.


What is a special feature found in Gemini?

Well, there are several special features found in Gemini's; -Chatty -Flirty -Spontaneous -Twins (there's always somebody who has the same/close personality as you) -Outgoing -Wild side ;)


How can a tween be spontaneous?

A tween can be spontaneous by being themselves.


What is the antyonm of spontaneous?

The antonym of spontaneous is planned or intentional.


When was Spontaneous Inventions created?

Spontaneous Inventions was created in 1986.


What is the synonym of the word impulsive?

Spontaneous, hasty, rash.


What is a sentence for spontaneous generation?

We're part of such a spontaneous generation!


What part of speech is the word spontaneous?

Spontaneous is an adjective--a spontaneousperson.


How do you put spontaneous in a sentence?

She had a spontaneous idea to go on a road trip with her friends.