I have been advised to take progesterone naturogest 8% gel vaginally post Frozen embryo transfer .I am pregnant by bhcg . My Fet was on 8 th november. After application of gel after 5 to 6 hours I find dry residues coming out from vagina every day. Every day I clean in externslly and apply the progesterone. Today since the tube was getting difficult to be introduced I cleaned internally from the wall of vagina where I found  dry residues from my vagina when i was cleaning and some very minute black coloured dried blood stains in it. Is it some thing to worry . Both the residue and black coloured dried stains appeared to be very old and dried. Can you help.