Dear Doctor, My Lover Took Mifegest Last Year In The

Dear doctor,

My lover took mifegest last year in the month of July. Then later we got married in September. since after having the tablets she is not conceiving at all. Is there in any side effect fo this tab. i need to add one more thing that she is a patient suffering from low blood pressure. please solve it out with a genuine answer.
Regards,
Nasif