 [ Symptoms ] what can cause a period to be late  i am 25 have always had regular periods and i am now 3 days late i had protected sex 4 days ago i have been under a lot of stress and not sleeping well could i be pregnant or what else could cause my period to be late [ Disease ] the healing of a fractured bone depends on many factors 1 type of fracture   compound fractures   take much longer to heal 2 displaced bone fragments   if the bone edges and parts have been displaced then the risk of delayed union and nonunion increase 3 infection   increases the healing time 4 disruption of the blood flow to the fracture site   also hampers healing 5 malnutrition bone disorders also prolong the healing time 6 early mobilization of the joint   before complete healing in your case you have 2 or more factors which have caused the delay in your recovery without first hand knowledge of your current condition examination of your xrays and a physical examination it would not be possible to give exact possibility of your prognosis i am sorry about that but platelet rich plasma prp does contain important cytokines and growth factors which when injected into a injured area helps to improve the rate of healing bone formation in your case and hence your recovery as mentioned in your history you may already might have had some progress hence if the fractured bone site heals completely which will eventually happen in due time   there is no doubt that you will be able to walk normally on the affected foot i hope this helps