Just chiming in as I'm no expert--but I always hate to see a thread with no replies

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Um, I know there is a site called ttctwins.com (or .org---can't remember) and surfing one day, I did take a look as I was like "wow---didn't know that could happen!" and since I soak up almost anything about pregnancy, I had me a fun time lurking around there. According to the site, other than fertility treatments that sometimes cause hyperovulation with the release of more than one egg causing fraternal twins, allegedly (and I say that NOT with scorn, just that there's no empirical proof) eating wild yams, upping your folic acid intake (which also, there's differing thoughts as to if this is real, or even bad for you), more dairy, and finally being a 'older' mom as that causes hyperovulation in itself can lead to multiple babies.
I'm NOT saying I'm for or against any of this---so anyone posting behind me, please do not flame me---just sharing info as I thought it was an interesting question