Causes attached to females:
- Changes in hormone production in the hypothalamus, pituitary (hipofisis), thyroid, adrenals (glándulas suprarrenales) or in the ovary thus producing a disturbance in the maturation of gametes.
- Infections, malformations or operations in the fallopian tubes or uterus.
- Emergence of fibroids which, depending on their thickness and location, can influence the achievement of pregnancy.
- Sterility of immunological causes (problems in placentation of embryos, etc.)
- Chromosomal and genetic alterations or abnormalities.
- Psychological and psychosomatic problems.
Causes linked to males:
- Alteration of the normal functioning of the testes, resulting from high-grade trauma, infection, mumps (infección por paperas), etc.
- Infection of the seminal fluid.
- Immunological sterility produced by antibodies against sperm protective cells.
- Functional alterations in the testes (varicoceles, benign tumors, testicular cancer, etc.).
- Hereditary factors (chromosomal abnormalities) or congenital (alterations in the sperm ducts Conducts).
- Disorders of ejaculation: retrograde ejaculation, hypospermia, seminiferous duct obstruction, etc.
- Psychological and psychosomatic problems.
Unexplained or unknown infertility
It is the type of sterility in which the tubes are porous (permeable), the sperm has a good quality, and there are no problems of morphological, immunological or thrombophilic type nor other circumstances that prevent natural conception of the couple.
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