How to Calculate a Woman's Ovulation Period Most Accurately

A woman's ovulation period typically refers to the time during the menstrual cycle when ovulation occurs, approximately 14 days before the start of the next menstrual period. To calculate the ovulation period, you may use the following methods: 1. **Calendar method**: Record the length of the menstrual cycle (from the first day of menstrual bleeding to the first day of the next menstrual period). Although a typical cycle is 28 days, cycles ranging from 21 to 35 days are considered normal. 2. **Basal body temperature method**: Measure and record oral temperature every morning immediately after waking up completely. Basal body temperature slightly increases after ovulation, usually by about 0.5°C. Recording for several consecutive months can help identify the ovulation day. 3. **Ovulation test strips**: These home testing tools detect the level of luteinizing hormone (LH) in urine. LH surges approximately 24–36 hours before ovulation, and the test strip changes color to indicate impending ovulation. 4. **Cervical mucus observation**: During ovulation, cervical mucus becomes clear, slippery, and similar in consistency to egg whites. This is often a sign of ovulation. 5. **Ultrasound monitoring**: Although not feasible at home, under a physician's guidance, ultrasound can directly observe follicle development and the ovulation process in the ovaries. If you are planning to become pregnant or have fertility-related concerns, consulting a doctor or using professional fertility tracking applications may provide more accurate results.