What Causes Breasts Soreness, Swollen Nipples And Headaches?

Lately ive been craving certain food, breast sore and nipples swollen, using the restroom more, hot flashes.. the day of my last period i had intercorse and about a week later i had bleeding but nothing like a period pretty light Also had my hips hurting. Headaches, had like three dizzy spells, losing and voice change about Three days ago, back to normal now.back also hurts .