Nipple stimulation

Im on my 38w 3d, my OB advised to do nipple stimulation cause I have ripened cervix but its still closed and baby’s head was shallow already. I used elec’c breast pump, 15mins each breast, then I got contractions from 9pm-12mn(yesterday) with 3mins interval and 30secs feeling the pain. I got leaks of colostrum as well in my breasts. Can I do nipple stimulation ulit today? TIA