Hi, its been three months since my last period. Went to gynaec about five weeks back. took duphaston for five days but no periods even after it. its been three weeks now. I am a case of PCOs . Also, I have done Serum BHCG twice. Both times negative. Other symptoms include very severe lower back pain, drowsiness, soreness in breasts and right armpit, occasional abdominal cramps and itching in vagina. White discharge is also seen, but no smell. Ultrasound also indicates only PCOs. I am worried now.