If any of the conditions/risk factors mentioned as follows is present, the benefits of combined hormonal contraceptive (CHC) use should be weighed against the possible risks for each individual woman and discussed with the woman before she decides to start using it. In the event of aggravation, exacerbation or first appearance of any of these conditions or risk factors, the woman should contact a physician. The physician should then decide on whether CHC use should be discontinued.
Throughout this section the general term combined hormonal contraceptive (CHC) is used when data exist for oral and non-oral contraceptives. The term combined oral contraceptive (COC) is used when data exist only for oral contraceptives.