Hai, We Had Unprotected Sex On 22nd Jan,periods Is Between

Hai,
We had unprotected sex on 22nd jan,periods is between 22nd to 25th,has not got periods untill now...we practiced withdrawl method...getting freaked out here...cant go to any hospital....if this is a early pregnancy, we need medication that aborts that,please suggest us what to do...feeling very stressed...we also tried MENSOVITPLUS she had her first three pills for the day and will have the next three for the next day...what is our status now..is she pregnant and if so please suggest how to abort.