Ovulation refers to the time period when an egg is released from a woman's body, usually between the 14th and 19th days of the menstrual cycle. For many people, understanding ovulation is very important because it is directly related to a woman’s reproductive health. However, some people may think that ovulation periods are all 10 days long, which is incorrect.

So why do different people ovulate differently? This is mainly due to differences in women's menstrual cycles and changes in hormonal levels in their bodies.

A woman's menstrual cycle usually lasts from 28 to 35 days, and the length of the cycle depends on factors such as genetics, age, diet and lifestyle. In addition, women's hormone levels can also have an impact on the menstrual cycle. For example, during puberty, female hormone levels will change, which may affect a woman's menstrual cycle and ovulation.

Therefore, to understand an individual's ovulation period, we need to understand a woman's menstrual cycle and hormone levels. At the same time, we also need to understand how to predict ovulation so that we can take appropriate measures when needed.