mam,maine 1st january ko sex kiya tha,or mera period 4 ko ata h but ish bar nhi hu to mujhe dar tha ki mai pregnant na ho gyi hu,fir mene 11 tarik ko pregncy test kiya ghar pr to negative nikla but abhi tk period nhi hua to ap plz btao ma kya kru aj 18 din ho gye h sex kiye hue plz dubara home test krke dekhu ya doctor k pas jau plz mam ak bar to test kiya tha sex k 11 din me negative nikla to bhi nhi hua period plz suggess me..