Physical changes and precautions before and after ovulation The ovulation period is an important stage in the female reproductive cycle. It is also an indispensable part of assisted reproductive technologies such as B-ultrasound examination, artificial insemination, and in vitro fertilization. Before and after ovulation, a series of changes will occur in a woman\’s body, which requires special attention. The following will be elaborated on from several aspects. Physiological changes The ovulation period refers to the process in which female eggs are released from the ovaries and enter the fallopian tubes. During this process, the female body will undergo many changes.