Under normal circumstances, the menstrual cycle of 28 days, menstruation began on the 10th, then the 24th of this month for the day of ovulation.
Calculation of the day of ovulation, in general, is in the next menstrual period before the 14th, and 4 days before and 5 days after the day of ovulation plus the day of ovulation, a total of 10 days for the period of ovulation, this method is only applicable to the usual menstrual period more regular women.
Under normal circumstances, the menstrual cycle is 28 days, menstruation is the beginning of the 10th of this month, the next menstrual period is the 8th of the next month, the day of ovulation is about 14 days before menstruation, according to the next menstrual period time forward 14 days, then it is the 24th of this month, different menstrual cycles can be used in this way to project.
If you need a more accurate ovulation time, you can go to the hospital for a more professional examination, and should not blindly calculate the ovulation period by this method. Especially for women whose menstrual cycle is not very regular, the time of ovulation will also be irregular.