Trying again after 4 mc and infertility screening

Jessica
So my husband and I have had 4 miscarriages. The first one was the hardest and most unexpected last September (2015). The second one was November 2015. Another one February 2016. And the last one April 2016. At that point my OB sent us to a fertility specialist. He was fantastic! He screened us both for chromosome abnormalities, tested me for blood clotting disorders, looked at my lady parts through ultrasound and hysteroscopy, swabbed my uterus to check for infection..... So now we are past all of them (everything came back normal). The next and only other step he wants us to try is for me to take progesterone. Not once I get a bfp like my OB had already tried but from the 3rd week of my cycle til I either get a period or a bfp! Today I am at 9dpo and this tww is killing me! Anyone else with a similar story that ended woth a sticky baby??? Thanks in advance ladies. Baby dust!!!!!!