Lipid Profile:- A lipid profile is a blood test that measures the amount of cholesterol and fats called triglycerides in the blood. These measurements give the doctor a quick snapshot of whats going on in your blood. Cholesterol and triglycerides in the blood can clog arteries, making you more likely to develop heart disease. Antiphospholipid Antibodies:- Antiphospholipid syndrome occurs when the immune system mistakenly produces antibodies that make blood much more likely to clot. Antibodies usually protect the body against invaders, such as viruses and bacteria. Antiphospholipid syndrome can be caused by an underlying condition, such as an autoimmune disorder.