The risk of venous thrombosis (blood clots) in women using oral contraceptives (Birth Control)
200% to 300% increased risk with most combo oral contraceptives
260% to 400% increase with NuvaRing
500% increase with Ortho Evra, Yaz (or similar products)
Pharmacist Letter August 2012; Vol: 28, No. 8
Keith Abell, RPh CIP MI
