LOL Laura 2919!
I used those pregnancy tests that tell you how far along you are and they had a week or 2 added on, and a doctors test was the same. Don't know actual levels, just that they thought I had my dates wrong because I was 36 days pregnant as opposed to the 28 I knew I was.
Also Tanikit -fraternal twins only skips a generation if it's on the father's side. The father cannot influence the mother's production of multiple eggs - he can however pass the hereditary trait down to his offspring, including boys who will carry it and pass it on to a daughter. So yes, you could have inherited the hyperovulation gene!