I can have intercourse anytime after using the pump, how can I determine when I ovulate by myself? 1. Ovulation test paper detection method: Ovulation test paper is the most widely used method to detect ovulation among women in the past. This ovulation test paper method of detecting ovulation has many advantages. The method is very economical, easy to buy, ovulation test paper is generally available in major pharmacies, the test method is easy to understand. It also has its disadvantages, the accuracy rate of ovulation detection is about 60%, ovulation test paper is affected by the hormones secreted by women, because the chemical detection content of each ovulation test paper is fixed, and the hormones secreted by women are affected by diet, emotions and environment, so the detection results may vary greatly. 2.Basal body temperature measurement method: Basal body temperature measurement to detect ovulation is based on the fact that when a woman is ovulating, her body temperature will rise slightly (about 0.5 degrees Celsius) than usual, and ovulation will be determined based on this. Basal body temperature is measured by checking the body temperature every morning immediately after waking up without activity, preferably by sublingual oral probe of the body temperature and recording the basal body temperature chart. Since human body temperature is easily affected by environment, illness, emotions, etc., trustworthiness has a greater impact. Basal body temperature measurement method is to measure the ovulation day is very troublesome as well as the accuracy is more difficult to guarantee. 3.Menstrual cycle projection method: This is a rough estimate. The formula is: the first day of ovulation = the shortest menstrual cycle days minus 18 days, the last day of ovulation = the longest menstrual cycle days minus 11 days. This is calculated by taking the first day of the current menstrual period as the base point and counting backwards in days. For example, if the longest menstrual cycle of a woman in the previous months was 30 days and the shortest was 28 days, then the first day of ovulation = 28 days – 18 days = 10 days and the last day of ovulation = 30 days – 11 days = 19 days, which means that she ovulates on the 10th day of her current menstrual cycle and the last day is the 19th day of her current menstrual cycle. . However, women’s physiological environment is easily stimulated by the outside world, so a high degree of accuracy cannot be achieved. 4, cervical mucus observation method: the hormonal changes in the female body during ovulation will affect many aspects of the body, in order to create a better environment for the combination of sperm and egg, the female secretions will also change, the main performance is the increase in cervical mucus, and clear and transparent, finger touch will find a pull phenomenon. Generally speaking, when this feature is most evident, it is ovulation. The defect of this test method is that it cannot be precisely calculated to the day of ovulation. 5.B-ultrasound test method: The accuracy of B-ultrasound in detecting the day of ovulation is as high as 90%. The method is accurate, the disadvantage is that the test is performed in a hospital, most of which require vaginal ultrasound, which can easily cause psychological tension to women, thus reducing the quality of eggs. Of course each test requires further payment, queuing for the test, and travel to and from the hospital, a complicated process.