you may of just had a break, or because you first started your period your irregular, so you could have them at any time.
there will be signs like your body will ache for about 1 month and you will get sudden mood swings
Screech
A sudden decrease in barometric pressure is a sign that a storm is coming.
crisis
A religious experience
You should be concerned as it is not regular you will have to take extra care.
The best way to escape if a sudden flood is coming is to try to get to higher ground. Do not drive or walk through moving water.
In finance, "ramp" typically refers to a sudden increase or acceleration in a metric, such as stock prices or trading volume. On the other hand, "flat" refers to a period where there is little to no growth or change in the value of an asset or market.
The sudden appearance of most of the major animal phyla within the fossils early in the Cambrian period. This caused a sudden diversification of life.
Theres no signs realy you just all of a sudden get blood on your knickers
poor feeding and sometimes it's normal
You could be pregnant, or stressed if your under a lot of stress or pressure your period may stop. Or if you have a sudden loss in weight that could stop your period. or if your going through the menopores.