You are seriously bloated moody and dying of cramps. While these are the classic signs of your monthly flow you do not get your periods. There can be numerous reasons why you experience period symptoms but no periods. Hear it out from gynaecologist Dr Arundhatin Dhar what could be causing those PMS symptoms. 1. Anovulation: Every month your body goes through hormonal changes associated with PMS but you will not get your periods if you do not actually release an egg that month. This condition is known as anovulation and it is common even if you have never heard of