Hello doctors, please I need honest and mature contribution on this matter. My girl frd had an abortion on the 28 of June this year, Few days after the abortion, she complain of some pregnancy symptoms and she hasn't seen her period, after some weeks we had unprotected sex and she used prostinor 1, on the 3rd of July she travelled back to sch, with the hope that she will see her period after a month, she called me last week that she is yet to see her period, we went for ultrasound scan and the result said she is 7 weeks and 4 days pregnant, her LMP is 13th of August and she left my place for sch on the 3rd of August, pls I am confused I don't know what to do, what is the best way to calculate LMP I want to know if I am responsible for it or not  Thanks In advance, I will be expectin your quick reply