Simplify the following text for a Grade 8 native English-speaking person.
Original: If started at any other time in the menstrual cycle , COCPs provide effective contraception only after 7 consecutive days use of active pills , so a backup method of contraception must be used until active pills have been taken for 7 consecutive days .
Simplified: During this time , other forms of contraception need to be used . When active pills have been taken for 7 days , COCPs can provide effective contaception .