C.S.
I went to MFC when we were trying to have my Daughter. I also spent some time in 'fertility' counseling. The main point that they stressed is that even thou modern medicine can work 'miracles' we have to remember than sometimes it is just not meant to be. I'm not saying that means you should quite, it just means that you have to be willing to accept the possible losses with the possible gains.
We got lucky and somehow got pregnant on our 1st and 2nd round of IVF. (lost the 1st one at about 6 weeks the 2nd resulted in a beautiful baby girl) With the success we decided not to go through that for a second child, leaveing it up to the powers that be. (also I was high risk, and ran into so complications during delivery. Myself and the baby almost didn't make it.)
The only thing I can really say is try to relax. Cut out as much caffine as you can, and enjoy your daughter.