Another disappointment :(

Been TTC since December. Had a mc in may. Had a period in June. Found out I was pregnant again 4th of July. We were so excited. Lost the baby on my mans bday 7/10. Found out I was low on progesterone. Normal period for Aug. Started progesterone supplements and opk So I thought this was going to be our month. Got positive opk on the 14th. Still bfn I'm so sad.