Ay oo, possible talaga na related sa pills, marami sa amin nag-experience ng breast tenderness as a side effect, lalo na sa unang months ng pag-start, kaya hindi ka lang! But kung isa lang ang nipple na sumasakit at may krirot like that, mas okay na i-check mo with your OB para sure lang, baka may inflammation or skin irritation na hindi related sa pills, at seryoso na kailangan talagang tingnan ng doctor. A few of us adjusted our pill brand or timing kaya nabawasan, so once na-check mo na, your doctor can help you figure out kung kailangan i-switch mo or anong gagawin.