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Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic ("identical"), meaning that they develop .... Identical twins do not have the same fingerprints, due...

The Monochorionic Twin Placenta: The TTTS Foundation


Identical twins may either have their own separate placentas or they may ... despite a shared placenta, but after eight days they will also be in the same sac ...

Twin Pregnancy Complications | UCSF Fetal Treatment Center


Identical twins that share a single placenta are called monochorionic twins (MC). ... As a result, although identical twins usually share the same genetic material, ...

Information for Parents When Twins Share One Placenta.

www.multiplebirths.org.uk/MC Pregnancy Version 12 17 5 10.pdf

Approximately one third of monozygotic (identical) twins will each have their own .... these twins not only share a placenta and a chorion but they are both in the same .... Some hospitals may coagulate all anastomoses where others only do ...

Birth Defects in Monochorionic Twin | Children's Hospital of Wisconsin


Monochorionic-monoamniotic twins are identical twins who share both a placenta and an amniotic sac. ... How do monochorionic anomalies affect my babies?

MTFS Twin Info and Frequently Asked Questions - Minnesota Center ...

mctfr.psych.umn.edu/twinstudy/twin FAQ.html

Sep 4, 2007 ... Identical, or monozygotic (MZ), twins have the same genetic makeup. ... Most think that fraternal twins have two placentas and identical twins share one ... Why do you use twins who are specifically age 11 or 17 at intake?

Identical Twins or Fraternal Twins? - - Twin Pregnancy and Beyond


Twins are always identical when they share the same amnion and chorion ( known ... the resulting identical twins will likely have separate placentas, chorions , and ... spontaneously, but they do consider identical twinning to be non- hereditary.

My class and I are wondering about conceiving twins. They are ...


Do all identical twins share an amniotic sac or can they have separate ones? ... Typically identical twins have the same placenta but different amniotic sacs (see  ...

Twin pregnancy - identical and fraternal twins - single fertilized egg ...


Twin pregnancy - identical and fraternal twins - single fertilized egg splits ... Most of the time in identical twins the zygote will split after 2 days, resulting in a shared placenta, but ... Very occasionally, twins will also share the same sac (fluid cavity) . .... Most twin pregnancies do result in healthy babies and healthy mothers...

Are My Twins Identical or Fraternal?


The twins' placentas may have been discarded or damaged before twin zygosity ... Fraternal twins will not have the exact same DNA, although like other siblings ...

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How will I know if my twins are identical? - BabyCentre


If your sonographer is unsure whether your twins share a placenta, she will perform a ... As they carry the same genetic package, identical twins are genetically ... not your twins are identical, but usually only if there's a medical reason to do so ...

Twins That Didn't Share A Placenta Can Still Be Identical.


Jul 30, 2009 ... People think that identical twins have to look exactly the same and ... Of course they do look a little different now, one is heavier than the other.

Types of Twins, Identical and Fraternal - Mother of Twins


On the other hand, having identical twins has nothing to do with the genes! ... Identical twins normally share one placenta, but each can have their own amniotic sac. ... Of course identical twins are the same gender and share the same DNA.