Sharp pains

Rigena🌺 • 21 years old, married to my best friend💕 Expecting our first baby Feburary 7, 2016 🎀👣💜 👨👩👶🐈
I am 30 weeks and woke up today with sharp pains in my lower belly area as if my pants are on too tight but I don't have pants on because it just makes it worse 😞 my hubby is at work and I have nobody to comfort me.. Should I be worried about this sharp cramp like pain?