I m on ttc for a yr and start fertility drug this month my period start 12 of january and lasts 14 january i took cerophene 50 mg at 14 january means 3rd day of my period for 5 days but i got some blood at cd 11 and after this blood my body is feeling fatigue period pain backache dazzy ...so what it could b today is 26 january and i m feeling ver weak