Heidi...I don't know anything about Dr Check but I found a thread that was up a few days ago that spoke of him for you. I hope I attached it right. Good Luck!!
http://www3.fertilethoughts.com/foru...hreadid=298372
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Tara
Four IVF's, 3 FET's
Last and final transfer BFP!!! Isaac Lee born 01/27/2008!!!!! 
DH-
Chris I'm a YaYa!!
http://www.babyjellybeans.com/web/do...home?ID=243355
Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them. Mark 11:24