 [ Symptoms ] had my period 3 31 15 to 4 5 15 and now i am on my period again it started 4 26 15 still on it could i be pregnant maybe first period light second heavy [ Disease ] hi its a 27 day period so why would you think your pregnant unless your periods are longer have you been having unprotected sex but if your suspecting your pregnant go get a test done either an hpt or get one done at your doctors good luck