Hlw anty ji..mai 20 saal ki hu ...mere 23 tarik ko periods khatam hue the or maine 26 tarik ko sex kiya tha..jo galti se unsafe rha ..but uske baad maine unwanted 72 bhi khayi thi... But agle din se hi muje bleeding hone lagi...or blood bht kala tha...to kya mai pregnent to ni houngi..muje bht tnsn ho rhi h..plz help me