Cramp pada perut dan 6weeks blm nampak Bb

Hi, slmt ptg, 1st time mom, TTC 13 years. Saya mengalami Cramp perut, bbrp hari lepas, mild cramps, panas² rasa , hari ni ok sikit, on of on of cramps. Tapi x bleeding. Isnin lepas scan doc cakap 6weeks, tpi blm nampak apa². Kena repeat svan after 2 weeks. Normal ke cramp on off ? 6 weeks blm nampak BB