vagina smells after period

Okay so im 14, virgin and everything. I noticed that right after my period ended my vagina still smelled like i was still on my period. Its been smelling for about a week now and everyday the smell is different. At first it smelled like period blood but now it smells different, worse. It doesnt really smell fishy it smells like something died i swear. Ive been making sure i clean it properly and everything but it won't go away. It seems like whenever my legs are open a tiny bit you can smell it. Im worried other people can smell it, and its embarrassing. My vagina isnt red or ichy, it just smells. My discharge is normal and doesnt smell. Im freaking out, i have a doctors appointment soon but my mom refuses to leave the room and if i tell her she'll think that i have an STD. What do i do? Or what is it?