The problems that cause alteration of the reproductive capacity of women are classified into 4 factors, as shown in the image. The endocrine or ovarian factor refers to problems in the ovaries, affecting the regulation of the menstrual cycle and ovulation. On the other hand, the tubal factor consists of alterations at the level of the fallopian tubes, such as endometriosis and salpingitis, for example.
On the other hand, there is the cervical factor, i.e. functional and anatomical alterations in the cervix. This type of alteration causes difficulty for the movement of spermatozoa through the tubes to reach the egg.