Cramp ari ari

Hi mommies, i nak tanya is it normal kalau i selalu rasa cramp kat area ari ari tu? And how do you guys describe "rasa pergerakan" from the baby? Sebab i selalu jugak macam cramp perut... Risau jugak.. Or sebenarnya cramp tu disebabkan baby bergerak? by the way im 20weeks