Sweetie, please don't wait, contact your OB or go to the nearest clinic/hospital to get it checked out, lalo na if the pain is sharp or keeps getting worse, okay?
Abdominal pain in pregnancy can be normal (ligament stretching, etc.), pero hindi kami dapat mag-assume, especially with a specific, stabbing feeling like yours. Better safe than sorry tayo with our babies! Let me know how it goes, sending you lots of prayers.