Im the only known set of twins on both my paternal and maternal side unfortunateley my twin died but thus beig said it reall just depends on our body because although twins were never heard of it still happend also one of my close friends husband siblings and her self were twins and she only had one baby at a time
Twins chances or percentages depends on genetics, race, height/weight, age, and fertility drugs if tout are on any. Any if these things increases you chances for twinning.