Taking pills atleast 10 days before doing some private act of intimate nature

[cussler]

me and a friend of mine are planning to do some private act of intimate nature atleast a week from now,  and the question is, is it safe or di ko ba siya mabubuntis, taking pills starting today? 

[serenity_mimi16]

ang pagtatake ng pills start dapat on the last day of menstruation..

[cussler]

ganun ba? i need to ask her pala if it was her last day...