Your irregular cycles have to be investigated.For that there can be a hormonal
cause or a pathology.You should have an ultrasound
pelvis,some blood tests like blood sugar,thyroid
.These are basic tests to be done first.If all these are normal then hormonal tests have to be done.The second problem of itching could be due to vaginal infection
and you will have to be examined about the type of infection for proper treatment.The third problem of secretions may or may not be normal.Clear,gel like secretions is normal but smelly discharge,curd like etc is not.It indicates infection so you will need antibiotics.