Sayang, abdominal pain macam tu especially with that sharp, cramping feeling kena go to your doctor or hospital straightaway lah, jangan tunggu. 15 weeks pregnant, pain yang intense cam cucuk-cucuk bukan normal dan kena check properly. Better to be safe kan, mummy? Go today ja if you can. Praying it's nothing serious, but you really need a proper scan and check-up from your OB.