Can a cyst block your period flow?

Crystal • Learning and growing everyday as a person 😊
Haven't had my period in 32 days, my average is 28-30(AT MOST). I found out last month I had a cyst and then my period was only 3 days but on time. But I ovulated twice January 15-16, 2016, yes both were positive. Very common for me to ovulate twice.