OK. I HAVE TWO CHILDREN AND I'M AWARE OF HOW THINGS PRETTY MUCH WORK.BUT MY FRIEND HAD HER LMP ON JULY 10TH. HAD INTERCOURSE ON JULY 22ND OR 23RD AND HER DUE DATE WAS CALCULATED TO BE APRIL 17TH. WHEN SHE WENT FOR HER UNLTRSOUND SHE MEASURED 15 WEEKS OCT 17TH. HER PREGNANCY WAS NORMAL/HEALTY. SHE GAVE BIRTH MARCH 21. TO A HEALTHY BABY. HE WAS 28 DAYS EARLY. COULD SHE JUST HAVE GIVEN BIRTH THIS EARLY OR WAS SHE MISTAKEN ON HER LMP THAT COULD HAVE BEEN IMPLANTATION BLEEDING? ↓