 [ Symptoms ] i broke my left clavicle in a mountain biking accident about 3 years ago [ Disease ] if you have a fairly regular 28 day cycle a period due on 25th of may would indicate ovulation was expected to be around 11th of may the 4th of may is 7 days before that but sperm only live about 4 days at most 5 days while swimming around searching for the egg pregnancy would seem unlikely but it all depends on the regularity of your cycle and your certainty about the dates provided