Oo normal yan, especially sa first few months ng pills kasi ang body mo pa lang nag-aadjust sa hormones! Pero since last 3 tablets na lang at hindi ka pa regla, mas safe na i-check mo with your OB para masiguro kung okay lang talaga or kung may adjustments na kailangan sa dosage, a few of us tried different pills din kasi some bodies respond better to certain brands, so better na alam mo mula dun na swak for you.