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I think so. My twins are three days apart according to every ultrasound so far. It seems perfectly reasonable that they could be up to a week apart especially considering that is about how long strong sperms keep on working within the right environment. I am not a Dr., but my guess would be it must be possible. Take care

While it is possible for non-identical (dizygotic/2-eggs) twins to be conceived apart (and by different fathers!), it's generally not the case. An ultrasound showing twins differing in age by 3 days is not significant given the margin of error for ultrasound technology. Just like most adults are different sizes, so too are babies in utero owing to genetic and environmental factors.

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โˆ™ 2015-07-15 18:34:26
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Q: Can dizygotic fraternal twins be conceived a week apart?
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Related questions

What is another name for fraternal twins?

Another name for fraternal twins is dizygotic twins.


How do dizygotic twins occur?

Two separate eggs are fertilized. Dizygotic twins are the same as fraternal twins.


What are unidentical twins called?

How do fraternal twins form? Answer one egg from each ovary is fertilized.


Dizgotic twins is another name for monozygotic twins?

No, dizygotic twins are fraternal twins. Monozygotic twins are identical twins.


What is the biological name for twins who look alike?

Identical twins are called monozygotic. Fraternal twins are called dizygotic.


What is the frequency of monozygotic twins versus dizygotic twins?

The frequency of having monozygotic twins (identcal) is about 4 out of every 1000 births. Whereas dizygotic twins (fraternal) is about 12 out of every 1000.


What is the difference between dizygotic twins and monozygotic twins?

Dizygotic twins develop from two separate ova fertilized by different sperm at roughly the same time, they are also called fraternal twins. Monozygotic twins develop from one zygote that splits apart producing genetically identical zygotes; also called identical twins.


How may types of twins are there and which type may have different sex?

There are two types of twins -- monozygotic ("identical") from a single egg, and dizygotic (fraternal) from two eggs. Only dizygotic twins can have a different sex.


What is the difference between monozygotic and dizygotic twins?

Monozygotic twins are formed from the splitting of a single fertilized ovum, and are identical. Dizygotic twins are formed from two separate fertilized ova, and are genetically different. They are also called fraternal twins.


Is there a word for twins who don't look alike?

Nonidentical twins Dizygotic twins (commonly known as fraternal twins, but also referred to as non-identical twins or biovular twins)


Your friend is pregnant with twins they r in two different sacs and share a placenta and one is a boy and one is a girl?

They are dizygotic. Fraternal twins.


Twins who delevelop in separate amniotic sacs?

They are called: fraternal or dizygotic twins. Twins who develop in one amniotic sac are called identical or monozygotic twins.

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