 [ Symptoms ] will one delayed period cause all the remaining period to be shifted by the x amount of days or will it adjust after  my wife has her period every month on day 45 of the month she has got a 30 days period cycle 3 4 days long last month she was delayed 10 days after a stressful trauma we have took 2 hpts after her period arrival to make sure it is not abnormal bleeding nor she was pregnant slightly darker bloodlonger period of time of 5 days tests gave negative results both of them she is 36 years old  question 1 can she still be pregnant  2 will her remaining cycles always be 10 days shifted [ Disease ] hi your find it s just the stress stress is a powerful thing and plays havoc with the human body as for her periods they will just restart like normal but be but from a new time during the month question so what happens in february this must throw it out of syc and 31 day months so the time scale is always moving hope this helps good luck