In may, I got my period from 16th-20th. Then, on may 27th, I took an ec (option 2) because I got a scare. I got my next period in a week, which was from june 3rd-7th. Then for a few days, I was having mild cramps in the lower abdomen and back, but no periods. I immediately thought that I could be pregnant, even though I have always used protection and have made sure that the condom isn?t torn after. I took a pregnancy test on june 4th and it came negative. Then again, just to be safe I took another test on june 17th, which was also negative. For the past few days, one of my breasts tingles sometimes but not that much. I know I am not pregnant, but is this period delay because of hormonal imbalance due to the emergency pill? The last time I had sex (always protected) was on june 22nd. I also have hypothyroidism and generally have irregular periods (delay of a few days).