Heavy rusty brown spotting for about a week one day after intercourse which was also 14 days previous menstrual cycle Now periods late 10 could this be sign of pregnancy?

Spotting after intercourse can occur for a variety of reasons, including hormonal changes, irritation, or infection. While implantation bleeding can occur around the time of conception, it is usually light and occurs a few days before a missed period. A late period can also have various causes, including stress, hormonal imbalances, or pregnancy. If you are experiencing a late period and are concerned about pregnancy, it is best to take a pregnancy test to confirm.