Had my daughter on 19th aug 2014 I stopped bleeding 7 days after and then passed what looked like three big balls attached to string the bleeding had still stopped then about two weeks after I started bleeding really heavy and it went on for weeks all swabs came back clear then I stopped bleeding for two days then it came back really heavy again more swabs were done and came back that I had streptococcus C I had antibiotics and it was gone since then every period I have starts off with black or really dark brown blood for about two days then goes red but this time I have started getting really sticky dark brown blood 15 days before my next period is due I have seen 9 different doctors and six different gynaecologist s and none of them know what it is