The common symptoms before ovulation are as follows: 1) increased body temperature; 2) changes in leukorrhea; 3) increased libido; 4) slight discomfort; and 5) decreased appetite. By monitoring the body temperature every day, it will be found that there will be changes in the body temperature before and after ovulation, and the body temperature will increase by 0.3℃ after ovulation. Before ovulation, the leukorrhea increases, is egg-white in color, and can be stretched. Out of the physiological reaction of women to conceive a child, during ovulation, sexual desire increases and energy is high. At the same time, due to hormonal changes, some women experience abdominal cramps, a small amount of vaginal bleeding, and some women will have breast swelling and pain, which are normal phenomena and do not require special treatment. According to these symptoms, pregnant women can understand their ovulation period, which is conducive to pregnancy.