A
female
age
41-50,
*ammy
writes:Hey,any advice,comments or research greatly appreciated...Ok, I am nearly 30 years old and have had identical twin boys for my Ex who's dad is a non Identical twin, My fathers 1st cousin's are identical twins and I know theres twins far off in my mums family...Thing is...I'm Getting married to my new partner who's mum is a non Identical twin. are the chances of me having another set of twins with a different dad greater because his mum's a twin??? or what are my chances???
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female
reader, deejuliet  +, writes (24 June 2008):
 From what I have heard identical twins can come from either father or mothers side as the sperm and egg combine and then split. Which caused it to split? The egg or the sperm? Either!So identical twins would have to be in teh family history. However fraternal twins can only come from the mothers side as she has to have produced 2 eggs to be fertalized. But twins (either identical or fraternal) can be produced with no family history whatsoever, but just as an anomly. I know of one family that had fraternal boys, then a single boy and then identical boys. Five boys, 3 pregnancies, every possible combination in one family.
A
reader, anonymous, writes (24 June 2008): eyeswideopen is spot-on. Speaking as a father of twins and researching this years ago, twins are only carried through the mothers' side. The father's history has no bearing on this at all.
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A
reader, anonymous, writes (24 June 2008): It doesn't matter what history of twins there is in your partner's family.
They will always release they same amount of sperm... And that's millions.
Twins are only ever depicted from the mother. Either an egg splitting after it has been fertilised (identical twins) or if your release two eggs during ovulation (unidentical twins).
The only difference his twin genetics would have is on your children... And that's only if you have a daughter.
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A
female
reader, BigSis  +, writes (24 June 2008):
 Well Bammy, going by what you've said...that on both your parents' side there are twins, and your future husbands' mother is a twin, your chances are obviously a whole lot higher than those who don't have twins in their lineage. So, I'd say your chances are quite high. But then again, in saying that, there is never that guarantee.
I have never believed it when people have said, 'It usually skips a generation'. There is no proof in that at all.
I have non identical twins, my fathers' sister had identical twins and my mothers' sister had non identical.
I'm the only one of us 6 brothers and sisters that gave birth to twins.
With the set of identical boys you have already {of which you must be so proud} I wish you all the best in whatever you have, but most of all, I wish you good luck, your work will certainly be cut out ~ whether you have one baby, twins or triplets.
Take care.
BigSis
xXx
Good luck and I
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A
female
reader, lexilou +, writes (24 June 2008):
 The normal answer to this is that as you either release two eggs or one egg splits into two then it is down to the female. Your age also plays a factor if you have a baby later in life, it increases the chances. (I seem to think I was told 35 was a prime age for twins when I had my third child - I was 36).
When i was pregnant with him the midwife asked me if there were twins on either side. I said yes my older sister was a non-identical twin (the other twin was stillborn) and my husband's family has lots of them on both sides but surely its just down to the mother??
She replied that after 25 years of being a midwife, in her experience if there is history on either side it seems to give a higher chance. Maybe the sperm actually makes the egg split and is nothing to do with the female??? As Im not a scientist Im only guessing here.
Thats probably not really very helpful and only time will tell!!!!!! Good luck!!!! x
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A
female
reader, eyeswideopen +, writes (24 June 2008):
 I believe that the twin factor must be on the female's side so the fact that you have twins already indicates that you have the same chance of it happening again no matter who the father is.
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