Talk to Gynecologist on Yellow Discharge Confused

Intercourse - 20th august periods due date - 4th September Periods skipped for September 27th august - itch and discharge started (slight yellow)12th sep - consulted doctor on call - advice primolut n(21days) trichogin and axomax (7days) also did 3 strip pregnancy tests for 3 days all negative 28th sep- stopped primolut n symptoms also went away 30th sep-again intercourse stopped after 15- 20 mins as my periods started lasted 7 days 13 sep-again extreme itch dischage cottage cheese dischage doctor on call said yeast infection took flagyl 400mg for week and one time clotrimazole internal (didnt go in properly was sfared) Now- no itch only discharge yellow and still waiting for periods pls advice here no appointment