Uy, mama, if you're having contractions at 35 weeks, you really need to call your OB or go to the hospital right away, hindi ito dapat i-wait, okay? Even if it might be normal, better safe than sorry sa ganitong stage.
At 35 weeks, you're still a bit early, so the doctors need to check kung ano talaga ang nangyayari sa iyo. A few of us moms have experienced similar, and ang best move is always to have the doctor assess in person. Keep us posted, and take care!