The main characteristics of ovulation are as follows: 1. The body temperature will rise during ovulation, but the rise in body temperature is not particularly obvious; 2. The most important feature of ovulation is the decrease in resistance, at this time bacteria can easily invade the body, so we must pay attention to personal hygiene; 5, a small number of women in ovulation will have a small amount of uterine bleeding phenomenon, which is caused by fluctuations in the secretion of estrogen in the body before and after ovulation; 6, in addition to the above-mentioned performance characteristics of ovulation, ovulation will also be manifested in women’s high libido and light pain on one side of the lower abdomen, women in the period of ovulation should pay attention to more rest.