how do i know if my twins will be identical when born?

Answer 1

I'm the mother of identical twin girls so I hear these questions alot. Here's some key ways to tell:

1. Are they the same gender? If they are different genders then they cannot be identical twins. Fraternal twins can be the same gender so this cannot tell you if they are identical. It can only tell you if they are not. All boy/girl twins are fraternal.

2. Do they share the same placenta or amniotic sac? Identical twins can share both or they can be in seperate sacs and share the same placenta. In rare cases they can have seperate sacs AND seperate placentas. However, sharing anything means they are identical.

3. Do they have the same blood type? If they do not have the same blood type then they are not identical. Fraternal twins can have the same blood type so this cannot tell you if they are identical, it can only tell you if they are not identical.

4. If they look alike, especially by 9months and beyond then you might want to have their DNA tested. It's a simple test. Identical twins will have the exact same DNA.

5. Identical twins DO NOT always look exactly alike at birth. One could weigh more than the other, plus placement in the womb can impact their appearance. The only 100% positive way to know is through a DNA test.

hope this helps!

Answer 2

If your twins are identical, they will be the same sex. If they are boy and girl, they obviously aren't. Identical twins can share the same placenta, but it is not a requirement. The only way to know absolutely is to have a DNA test done, which will either confirm or deny the identicalness. If they are identical, the DNA will be as well. If not, it won't be. Sometimes the doctor can be fairly certain when they are born, especially if there is a shared placenta, but sometimes not. Most babies in a family resemble one another at birth, so looks are not always a good guide in the beginning. As they grow, though, any differences will become apparent. Even among identical twins there are variations, and the parents are able to tell the two apart fairly early and easily.

Answer 3

Hello there,

I had fraternal twin girls. But, looking at them, when we go places, people always say, "Identical Twins?" I say no, "Fraternal Twins".

My Grandma had fraternal boy/girl twins in the 1950's. Twins ran in my family and I too conceived fraternal twins. Do you know if you have twins in yours or your S/O's family?

I ovulate 2x a month, so my twins were in two seperate sacks, but obviously shared the same womb with a view.

You can have a blood test done to see if you will have identical twins, but it is expensive.

Hope this helps you......................... :-)

Answer 4

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Answer 5

If they are in the same sac (water bag) then, I believe, they are from the same egg that was fertilized and then split, therefore making them identical twins.

Answer 6

if 2 baby's share the same placenta then their identical if the baby's are in there own separate placentas then there fraternal twins.

Answer 7

Well, if they are the same sex then at birth a blood test will be done to see if they are identical.

Answer 8

you can get an amniocentesis done, but that carries risk. some identicals develop in the same sac.

Answer 9

if they share the same afterbirth (placenta) then they are identical if they have an afterbirth each then there not you can find out with a scan

Answer 10

if they are in the same sack, from one egg, they will be identical.if they are in two sacks, from 2 eggs, they will be fraternal. they should be able to tell u that from the sonogram