Is egg delay bad quality?

If the menstrual cycle of women is relatively regular, ovulation is generally about 14 days before the next menstruation. If ovulation is delayed, it does not necessarily mean that the quality of the egg is poor. It may be that the menstrual cycle of women is relatively long, causing ovulation delay, or there is a disorder of endocrine hormone levels, which will also affect the time of ovulation. Generally speaking, ovulation monitoring can be started from the 10th day of menstrual period. Under B-ultrasound, the egg gradually increases. When the size of the egg reaches about two centimeters, ovulation will occur, that is, the egg has matured.