congatrats AnnaT on your pregnancy........wow a summer bub, i had 2 of them, ..........way to go.....i hope you have a little sicker in there.

i was on clomid, and the stats are on mulitples are if i remeber rightly
1 in 20 you will conceive twins
1 in 1000 triplets

and interesting facts for conceiving twins, girls.........more common when:

older you get ( over 35)
if you take folate for a few of months before conception.
lots of babies already
fertility treatments ( clomid)
if you have conceived twins already
if you are overweight
runs in family ( mothers side)
conceiving when breastfeeding

intersting.........so all you girls that are ready ttc.........go for it.