What Causes The Feeling Like Bubbles Coming From Vagina

Hi, well uhm my last period was may 4th, i've yet to have one this month today is june 11th. I took a urine sample at the dr. office and multiple at home tests, all have come up neg. I did miss a few pills but i took them all at once mutiple times during the month. Should i be worried? im taking lo loestrine. Please help me also it feels sometimes like i have little bubbles coming from my vagina. and a bad odor as well in my discharge also seem to be "wetter" then normal. HELPPP PLEASEEEE