Male sterility sperm factor refers to alterations that directly affect sperm. For example, the low concentration of sperm in semen, its poor motility or alterations in its morphology. All of these reasons, in addition to others, prevent sperm from fertilizing the woman's egg to result in pregnancy.
Read the full article on: What Causes Male Infertility? – Symptoms & Treatment ( 75).
By Ana María Segura Paños M.D., M.Sc. (andrologist), Emilio Gómez Sánchez B.Sc., Ph.D. (senior embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Marie Tusseau (invitra staff).
Last Update: 02/12/2019
