On Thursday I forgot to take my yasmin as I was out of town. On Friday I took 2, b/c I had miss the one from Thursday. Well Friday night I vomitted a number of times. Could this be from me taking two Yasmin in one day?

That's odd(or so In my case)..I've forgotten before with my Yasmin. I took it right as I remembered the next day. Then took my pill for that day when I was supposed to. But I've yet to vomit from it..I've even forgotten until I had to take it. Then counted how many I had, to see I didn't take it. I've taken two in a row once because I had to since forgetting the previous day.(I mostly forget If I'm really tired from a long crazy day.)
Hmm..I wish I could say more...T____T'

Thank you for your help.

Yes that is definitely possible. I also have not had this happen with me even when taking 2 pills for 2 days (my pills got stolen.. long story). There is definitely the chance of feeling sick or even spotting.