When is the ovulation period?

Jul 19, 2024 Source: Cainiu Health
Disease description:

I've been trying to conceive for a while, but there hasn't been any sign of pregnancy. I want to plan for conception during the ovulation period, but I don't know the exact timing of my ovulation. Could you please tell me how I can calculate it?

Doctor's answer (1)
Dr. Zhao Xiaodong
The ovulation period refers to the time during a woman's menstrual cycle when ovulation occurs, typically around 14 days before the onset of the next menstrual period. For example, if a woman has a 28-day cycle, her ovulation period would be around day 14; however, if the cycle is irregular, the timing of ovulation may vary accordingly. A simplified method for calculating the ovulation period involves counting backward 14 days from the first day of the next expected menstrual period. However, this is merely an average, and the actual ovulation day may occur within 2–3 days before or after this estimated date. To determine the ovulation period more precisely, the following methods can be used: record basal body temperature every morning, as there is a slight increase in temperature after ovulation; test for luteinizing hormone (LH) levels in urine, which reach a peak 24–48 hours before ovulation; and observe cervical mucus changes, which become clear, slippery, and elastic—similar to egg whites—during the ovulation period. Understanding the ovulation period can assist in planning for pregnancy or contraception. However, for more accurate information, it is best to consult a healthcare provider or use specialized tools for monitoring.