Oo, naka-experience ako nyan sis! Sa akin nangyari around 6-8 days after ovulation, parang very light spotting lang para ilang oras then nawala na, super different from my regular period kaya alam ko agad na something's different. Pero honestly, varies talaga sa bawat babae, may kaibigan akong 10-12 days bago pa lang narealize na pregnant, kaya kung nag-aalala ka, better mag-take ng test after a few days or check with your OB para sigurado na!