Column one of the table specifies the condition being considered. Column two classifies the condition into one of the four categories described above ranging from one to four. Column three gives a brief rationale for the classification assigned. These tables may serve as a guide to the service provider. 2 COC causes only small changes in blood pressure among non-hypertensive women.
Primary concern is risk of underlying vascular disease and additional risk of thromboembolism.
Not relevant for eligibility for this contraceptive method. No need for restriction of COC use. Sickle Cell Disease 3 Women with sickle cell disease are at increased risk of thrombosis. The working group also developed a table format that classifies eligibility criteria by condition for all of the methods considered. This WHO classification system is intended to be adapted for use at the country-program level.