Do you know What is ovulation? generally there are two ovaries in female body. One of those two ovaries produce matured egg in each month and that egg released in fallopian tube to fertilize with the help of sperm. The total time period of this phenomenon is 12 to 24 hours. If egg is not fertilized within that time period it is dissolve in female body and female body is preparing for next menstrual period.
Now the question is when do you ovulate? generally the timing of ovulation is 10 to 18 days after first date of last menstrual period. But that timing varies from woman to woman. So it is important to point out the exact timing. Signs of ovulation or symptoms of ovulation will tell you about that exact timing.