hi there, we have an intercourse with my gf last sat then up to tuesday, i decided to give here nordette cause we have an unprotected sex, im pretty sure there are preejaculations present in her. she took nordette 4 pills wed 9pm, then after 12 hours another 4pills, the thing is, she didnt vomit, she experience, some abdominal pain, headache, and nausea. Is nordette working even without vomiting?