asking

Bilang kapo 15days including nung unang araw na dinatnan ka tapos kung anong date ung pang15 n araw bilangin mo po ung 3days at 3days after. Bale 7 days po lahat. Un po araw na fertile ka. For ex. 30 first day mo 15days starting 30 matapat sa 13. 10-12 (3days before) at 13 then 14-16 (3days after) total of 7days. 10-16 kapo fertile :)