I usually had my period on 40-45 days.Last year I got pregnant(it was twin pregnancy) in january and had miscarriage in 5.5 month in July .After that i got my period on 43 days, 30,31,32,31 days respectively.Last time i had my period on Jan 1.After that i missed my period upto now.I have done all test TFT, ultrasound,urine pregnancy test, home pregnancy test all are normal. I had white discharge also sometime cheesy some time diff. with Slight itching.What might be the problem??