congrats and this web site might help you
http://www.betabase.info/showBasicChart.php?type=Single
thanks Kricket212
Do you know about the twins hcg level number? I went for 2 ivf 2 blastocyst embryo transfer 6 Feb-11.
thanks
It will probably be implantation bleeding. With a # going up to 700, it sounds great to me.
Good Luck.