How to correctly use the female ovulation calculator to predict the time of conception. The female reproductive system is very complex, so predicting the time of conception is also a quite complicated process. However, the correct use of the female ovulation calculator can help women better predict the time of conception and thus better plan their fertility plans. The following is a detailed explanation of the correct use of women\’s ovulation calculator from the aspects of ovulation period knowledge, choosing an appropriate ovulation calculator, how to record ovulation and precautions. Ovulation