Question 1

1st ultrasound, ~6 weeks 4days. two amniotic sacs but difficulty viewing 2nd. one heartbeat for sure. what are the chances of viable twins still & how good are the chances of at least one viable baby?

Accepted Answer

Two Sacs: Human twinning is very common.  In fact, ultrasound has shown that it is more common that previously thought.  Many times one of the fetus will fail to develop.  This should not affect the long term growth of the surviving twin.

Question 2

what does it mean if twins are dichorionic-diamniotic?

Accepted Answer

Separate sacs: The amniotic sac is actually made of 2 fused membrane layers, the chorion and amnion. Dichorionic diamniotic twins each have a separate placenta with their own two layer sac.  Fraternal twins are almost always dichorionic diamniotic because they develop from separate eggs.  Identical twins can be dichorionic diamniotic if the fertilized egg splits very early after fertilization.

Question 3

are monochorionic-diamniotic twins usually healthy at birth?

Accepted Answer

Yes: Yes. Mono/mono are more difficult twins.

Question 4

average weight of 5 month old monochorionic diamniotic twin fetus in grams?

Accepted Answer

5 months?: 300-500 grams at 21-22 weeks - please specify question in weeks not months for more details.

Question 5

twin pregnancy. what are monochorionic diamniotic twins?

Accepted Answer

1 placenta 2 sacs: Single placenta, 2 amniotic sacs, one for each twin

Question 6

what is twins with two separate amniotic sacs a sign of?

Accepted Answer

Two implantations: Twin pregnancies can occur with one or two amnions and one or two chorions.  The twin pregnancies with the least complications have two amnions and two chorions.  The most complications occur in twin pregnancies with only one of each membrane.

Question 7

if 1 twin dies in utero (vanishing twin syndrome) is it likely or possible that the dead twins amniotic sac will continue to grow?

Accepted Answer

No. : The sac will not grow if the fetus does.

Question 8

in diamniotic dichorionic prenancy gestation sac of one baby is normal mean diameter 2.7cm  & 2nd is small mean diameter 1.7 cm what is  effect this ?

Accepted Answer

Serial Fetal Ultra-: sounds will be done to look for  Intrauterine Growth Restriction &amp; other determinants of fetal well-being or lack thereof, especially in the smaller twin. IUGR can be from fetal, placental or maternal disorders. Depending on the timing &amp; severity, other studies can be done both prenatally &amp; after delivery in an infant who is Small for Gestational Age to search for genetic &amp; other medical causes.

Question 9

my fraternal twin passed away after an anmniotic fluid embolism. could i suffer from an afe?

Accepted Answer

Not genetic: Amniotic fluid embolisms are not genetic and do not run in the family.

Question 10

27 weeks pregnant with twins and have noticed reduced fetal movement in 1 twin and have low amniotic fluid on the last ultrasound.my friend is worried?

Accepted Answer

Twins: Situations as described need immediate attention from an OB physician or a maternal fetal medicine specialist.  Diminished movement is always the case with twins, but low amniotic fluid needs evaluation and constant monitoring.

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Doctor answers about:

Twins with two amniotic sacs diamniotic twins

A member asked:

1st ultrasound, ~6 weeks 4days. two amniotic sacs but difficulty viewing 2nd. one heartbeat for sure. what are the chances of viable twins still & how good are the chances of at least one viable baby?

A member asked:

What does it mean if twins are dichorionic-diamniotic?

A member asked:

Are monochorionic-diamniotic twins usually healthy at birth?

A member asked:

Average weight of 5 month old monochorionic diamniotic twin fetus in grams?

A member asked:

Twin pregnancy. what are monochorionic diamniotic twins?

A member asked:

What is twins with two separate amniotic sacs a sign of?

A member asked:

If 1 twin dies in utero (vanishing twin syndrome) is it likely or possible that the dead twins amniotic sac will continue to grow?

A member asked:

In diamniotic dichorionic prenancy gestation sac of one baby is normal mean diameter 2.7cm & 2nd is small mean diameter 1.7 cm what is effect this ?

A member asked:

My fraternal twin passed away after an anmniotic fluid embolism. could i suffer from an afe?

A member asked:

27 weeks pregnant with twins and have noticed reduced fetal movement in 1 twin and have low amniotic fluid on the last ultrasound.my friend is worried?

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