Uy, totally normal yan sis, pag may diarrhea ka talaga ang tiyan sumaskit at parang nag-twist, kaya mahirap makilala kung baby movement or tummy trouble lang! Sa 18 weeks pa lang kaya ang kicks ay subtle pa, parang flutter o bubbles lang ang mararamdaman mo usually, hindi pa ganitong strong na makaka-cause ng pain, so most likely yung cramping mo ay from the diarrhea talaga. A few of us mga first-time moms nag-worry din nito, pero once nakita namin na consistent ang movement around 20+ weeks, nag-calm down kami. Pero since may stomach issue ka, better check with your OB lang to be sure everything's good, diarrhea in pregnancy can lead to dehydration, so importante ma-address