Hi welcome to the health care magic Usually emergency pill prescribed only when accidental exposure and unsafe sex occurs accidentally... It should not be taken frequently... You have used it for three times in week.. It is better to use barrier method for conception prevention like condom... Unwanted 72 pill effective in preventing conception and it can lead gastritis and nausea like side effects... For that if needed rabeprazole and domperidone combination drug prescribed... She has starred period in December Hence conception unlikely.. But if it is only spotting and next period doesn t come than pregnancy needs to be ruled out by urine hcg card test Take care Consult gynecologist for examination and further work up accordingly