my cousin is 16 yrs old she is facing periods problem since 1 year she gets periods every month but flow is for more than 18 days sometimes 27 days she has done her sonography

A. If the period's have recently started, continuing for a long time is normal, you just need to take care to give her proper diet and adequate water intake. Ask her to take adequate list and if Heavy flow for a long time. Then you need to consult with your doctor once for.