thank ya very much, intertwined!
mom o steele- have to ask- what do you know (or anyone else here, too) about this possible third type of twin? when my twins were babies, there was a research team at duke university studying 'polar body twinning,' where one egg divides and is then fertilized by two sperm, giving an average of 75% of the same dna to this type of twins. i spoke to the lead guy at the time, he was doing a study and was recruiting subjects- i saw it advertised in twin magazine (not sure if that publication is still around.) anyway, my boys were too young to take part in the study, which required bloodwork. the guy said that they knew this happened in other mammals, like cows, but had not seen it in humans. i am a nurse, my specialty is high risk ob although i now work in radiology, but i never heard anything about polar body twinning after that even while in ob, so i thought they must not have found evidence. now, ive been out of the twin loop for a while- when my sons were little i did the moms of twins club and all that, but havent done anything like that for 15 years. what have you heard about this third type of twinning? do they still think it can happen?