Eish, sakit bawah perut time early pregnancy memang biasa, but the fact it's macam sakit tahan kencing tu better check with your doc cepat-cepat ya, bisa jadi UTI atau something else yang kena address early. A few of my mum friends pun had cramps at 6 weeks and turned out okay je, but yours sounds specific so jangan main-main, kena see your gynae to make sure everything's good with baby.