Ay, alam ko yan kasi nangyari rin sa akin nung 36 weeks, after the IE nasasakitan talaga for a few hours, na-scary din dahil sa hilab! The good news is usually normal lang yan, especially kung closed pa cervix mo, pero since your OB gave you specific warning signs na (heavy bleeding, intense pain, mabilis intervals), mas safe na follow those instructions talaga, walang problema mag-ER kung worried ka or kung tumaas intensity, kaya mo na yan!