Talk to Gynecologist on Period Problem After 3 Months

Hello ma'am my period problem after 3 months ago all months datein 7 Few minutes start my period and after few later finishes only first day Normally my period is 5 times properly but my period problem start in may 7 when June 7 and July 7 only first period few minutes start after few minutes finishes what's going on maam please kindly tell me