i am 29 with pcos which causes irregular periods. okay october i had a period.November december nor january i didnt have a period. i started fertibella in february but still no period. finally in march i started a period. it lasted for 5 days as usual but each day was very light. i started fertibella february 3rd and used it for 2 months. april is here but i havent had a period. on april 2nd i took a test which was negative. i also started having bad cramps that week for a few days then went away. now which is a week later the cramps have returned and i now have slightly sore nipples. only a little soreness though. whats going on?