There are a few...
The criteria for the diagnosis of aps is based upon both clinical findings(what happens to you) and laboratory findings(results of blood tests).
Some of the clinical findngs are a history of blood clots; fetal death
over 10 weeks; delivery under 34 weeks due to preeclampsia
; 3 or more recurrent miscarriages. Since aps can adversely affect a pregnancy
, you need to discuss with your physician.