<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor I am not pregnant but from two month I did not get period,but I have meet my husband and I consult doctors I took tablet.mifegest 20th on 20 112015 and after two days of taking tablet again I meet my husband so again I have to take another dose plus help  <response>: Hi dear, I have read your query understood your concern, - The Chat Doctor. Mightiest is usually given after confirming pregnancy. It does not prevent pregnancy, but it extinguishes already existing pregnancy Needs .to be followed by another medicine to expel the dead fetus. - So repeating Mightiest dose after next sex will not prevent conception. - For such unexpected unprotected sex, you should use barrier contraception emergency contraceptives Instead of using 