Doctors recommend keeping a diary period. It's very simple - you need a calendar to mark the days of the start and end of the menstrual cycle. You can even specify their intensity - paint days, more or less intense color. So you will not only always ready to start a cycle, but you will get a complete picture of the current month. And count the delay is not difficult. If on a given day cycle is not, we can say about the delay.
If you suspect that you have a delay, and the monthly calendar are not driving, you need to remember when it was you and how much lasted the last cycle - 25-30 days or more. To this figure must be added the date when the last month ended.
For example, either a cycle lasts for 20 days. Last menstrual period has ended the first of December. We add 20 to 1, it appears that on December 21 you should have started menstruating. If it does not, this indicates a possible delay. But do not rush to conclusions, you need to wait two weeks. And if after this cycle does not happen again, you just delay. It's time to go to the doctor.
The doctor may prescribe the necessary preparations for the regulation of the menstrual cycle. At the same time, keep in mind that only a timely manner prescribed treatment helps eliminate serious failures of the female body. That is why, noticing a slight deviation from the schedule of menstruation, it is necessary to consult a qualified professional.
And even if you do not believe that the delay menstruation associated with pregnancy, still try to do a test, especially if you are planning to conceive. Just remember to do a pregnancy test is necessary in the morning, when the highest concentration in the urine of hormones.